YouTube Live Borderless

Make YouTube Live Borderless

Fra 22.01.2024. Se den seneste versjonen.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

/* ==UserStyle==
@name           YouTube Live Borderless
@version        0.5.27
@namespace      github.com/cyfung1031
@license        MIT
@description    Make YouTube Live Borderless
@author         CY Fung
@supportURL     https://github.com/cyfung1031/YouTube-Live-Borderless/
@compatible     edge Edge [Blink] >= 105; Stylus (Beta)
@compatible     chrome Chrome >= 105; Stylus (Beta); Chrome 101-104 requires "enable-experimental-web-platform-features"
@compatible     firefox FireFox >= 103; Stylus; layout.css.has-selector.enabled = true; note: some features might not be very stable!!
@compatible     opera Opera >= 91; Stylus (Beta)
@compatible     safari Safari >= 15.4; Stylus
@preprocessor   stylus
@var checkbox   youtube-wpr                     "YouTube WPR"                      0
@var select     mode-for-two-col                "Mode ##TwoColumns" {
  "Expanded Panel Only #Recommended":   "expanded-panel",
  "Expanded Live Chat Only":            "expanded-live",
  "Expandable Live Chat Only":          "expandable-live",
  "Always":                             "always"
}
@var select     mode-for-single-col             "Mode ##SingleColumn" {
  "YT Mobile #Recommended":             "mobile",
  "Normal":                             "normal",
  "Disabled":                           "disabled"
}
@var checkbox   no-masthead                     "Top.MastheadBar ::Hide"                            0
@var range      masthead-hoverable-height       "Top.MastheadBar ::Hoverable"                       [12, 0, 36, 2, 'px']
@var range      masthead-hoverable-delay-in     "Top.MastheadBar ::Hoverable.DelayIn"               [300, 0, 800, 100, 'ms']
@var checkbox   disable-cinematics              "CinematicsEffect ::Disable"                        0
@var range      video-enlarging                 "Video.Enlarging >>>Video.Border.Fine.Tune"         [0, 0, 8, 2]
@var range      video-padding-left-right        "Video.Padding.LeftRight (Experimental)"            [0, 0, 18, 2, 'px']
@var range      video-padding-top-bottom        "Video.Padding.TopBottom (Experimental)"            [0, 0, 18, 2, 'px']
@var range      primary-content-margin          "PrimaryContent ::Margin"                           [24, 6, 48, 6, "px"]
@var range      video-title-size                "VideoTitle ::Size"                                 [2.0, 1.0, 3.0, 0.2, "rem"]
@var checkbox   no-bottom-row                   "Bottom.PrimaryMetaInfoRow ::Hide"                  0
@var range      min-below-area                  "BelowArea ::Minimum"                               [120, 0, 240, 10, 'px']
@var range      min-below-area-for-theater      "WideTheater.BelowArea ::Minimum"                   [120, 0, 240, 10, 'px']
@var number     side-panel-width                "SidePanel ::Width"                                 [440, 320, 640, 20, "px"]
@var checkbox   no-round-border                 "RoundBorder ::Disable"                             1
@var number     chat-zoom-for-right-col         "RightCol.Chat ::Zoom"                              [1.0, 0.4, 1.2, 0.05]
@var range      chat-btn-height                 "RightCol.Chat ::SpaceAbove@Zoom"                   [36, 0, 60, 4, 'px']
@var number     chat-zoom-for-mobile            "YTMobile.Chat ::Zoom"                              [1.0, 0.4, 1.2, 0.05]
@var range      chat-min-height                 "YTMobile.Chat ::Min.Height"                        [400, 20, 900, 10, 'px']
@var checkbox   unlimit-player-max-width        "Unlimit Player Max Width"                          0
@var checkbox   fix-player-height-overflow      "Fix Player Height Overflow"                        1
@var checkbox   video-no-round-angle            "Video No Round Angle"                              0
@var checkbox   compatible-ytlstm               "Compatible with ytlstm-theater-mode"               0
@var checkbox   fix-for-ytlc                    "Fix for YouTubeLiveClock"                          0
@var checkbox   show-comments-region            "Show Comments (without Tabview Youtube)"           0
==/UserStyle== */
/*

@var range      chrome-bottom-bar-margin        "Chrome Bottom Bar Margin"                      [12, 6, 48, 6, "px"]

  Chrome Bottom Bar Margin is 12px only due to

    MU = function(a) {
        var b = a.u.ag()
          , c = a.G.getVideoData().D
          , d = 0;
        a.u.ag() && a.u.Me() && (d = (a.G.fb().getPlayerSize().width - a.G.getVideoContentRect().width) / 2);
        return 12 * (c ? 0 : b ? 2 : 1) + d
    }

*/
// d
@-moz-document url-prefix("https://www.youtube.com/watch?v=") {

    dummy() { 
        // dummy
        border: 0; 
    }

    buildL4(type, args...) {
        st1 = join('', ':', type, '(', join('\, ', args), ')')
        selector(st1)
    }

    /*
    if min-below-area <= 10px {
        min-below-area = 0px
    }
    if min-below-area-for-theater <= 10px {
        min-below-area-for-theater = 0px
    }
    */
    chat-btn-height = chat-btn-height + 1px
    if chat-btn-height == 0px + 1px {
        chat-btn-height = 0px
    }

    // masthead-hoverable-height = (masthead-hoverable-h - 1) * 2px

    no-masthead-w = no-masthead //
    chrome-bottom-bar-margin = 12px // this cannot be changed

    single-col-mobile = (mode-for-single-col == "mobile" ? 1 : 0) //
    if single-col-mobile == 1 and no-masthead-w == 0 {
        no-masthead-w = 2 //
    }

    chat-zoom-for-mobile-enable = ((chat-zoom-for-mobile < 1) or (chat-zoom-for-mobile > 1))

    contentBase() {
        
        html {
            --ylb-min-below-area: min-below-area;
        }
        
        #microformat.ytd-watch-flexy {
            position: fixed;
            top:-200vh;
            left:-200vw;
        }

        if fix-player-height-overflow { // 縦配信
            html:not([tabview-loaded]) #player > #player-container-outer.style-scope.ytd-watch-flexy {
                contain: layout;
            }
        }

        if fix-for-ytlc {

            @supports (color: var(--compatibile-with-chrome-plugin-youtube-live-clock-20221107)) {

                /* 2022/11/07 - specific fix for YouTubeLiveClock - chrome only */
                html:has(style#ytlctn-style-for-native-control) #columns.ytd-watch-flexy #player::after {
                    content: "";
                    background-color: transparent;
                    border-color: transparent;
                    color: transparent;
                    box-sizing: border-box;
                    border-style: dotted;
                    display: flex;
                    height: 0px;
                    margin: 0;
                    border: 0;
                    margin-top: 51px;
                    width: calc(100% - 4px);
                    position: relative;
                    pointer-events: none;
                }

                html:has(style#ytlctn-style-for-native-control) #columns.ytd-watch-flexy #below {
                    transform: initial;
                }

                html:has(style#ytlctn-style-for-native-control) ytd-watch-flexy[flexy][is-two-columns_][theater] #columns.ytd-watch-flexy {
                    margin-top: 51px;
                }
                
                html:has(style#ytlctn-style-for-native-control) #columns {
                    overflow: revert;
                }
                
            }

            @supports (color: var(--compatibile-with-chrome-plugin-youtube-live-clock-20240123)) {

                /* 2024/01/23 - specific fix for YouTubeLiveClock - chrome only */
                html:has(style#ytlc-style-for-native-control) #columns.ytd-watch-flexy #player::after {
                    content: "";
                    background-color: transparent;
                    border-color: transparent;
                    color: transparent;
                    box-sizing: border-box;
                    border-style: dotted;
                    display: flex;
                    height: 0px;
                    margin: 0;
                    border: 0;
                    margin-top: 51px;
                    width: calc(100% - 4px);
                    position: relative;
                    pointer-events: none;
                }

                html:has(style#ytlc-style-for-native-control) #columns.ytd-watch-flexy #below {
                    transform: initial;
                }

                html:has(style#ytlc-style-for-native-control) ytd-watch-flexy[flexy][is-two-columns_][theater] #columns.ytd-watch-flexy {
                    margin-top: 51px;
                }
                
                html:has(style#ytlc-style-for-native-control) #columns {
                    overflow: revert;
                }
                
            }



        }

        ytd-watch-flexy[flexy] #player-container-outer.ytd-watch-flexy,
        ytd-watch-flexy[flexy] #player-container-inner.ytd-watch-flexy {
            pointer-events: none;    
        }

        ytd-watch-flexy[flexy] #player-container.ytd-watch-flexy,
        ytd-watch-flexy[flexy] #ytd-player.ytd-watch-flexy {
            pointer-events: initial;    
        }

        // general fix
        ytd-watch-flexy[theater] .ytd-watch-flexy{buildL4('is', '#player-theater-container', '#player-wide-container')} {
            min-height: unset;
        }
        #movie_player .ytp-cued-thumbnail-overlay-image {
            /* background-size: contain !important; */
            background-size: auto 100% !important;
        }
        ytd-watch-flexy:not([is-two-columns_]) ytd-watch-metadata {
            padding-top: var(--ytd-margin-3x);
        }
        ytd-watch-flexy:not([is-two-columns_]):not([fullscreen]) #primary.ytd-watch-flexy {
            padding-top: 0;
            margin-top: 0;
        }

        m = youtube-wpr ? ':not([tabview-loaded])[youtube-wpr*="h2"]' : ':not([tabview-loaded]):has(ytd-live-chat-frame#chat:not([collapsed])):has(iframe#chatframe)'

        selector-comments-1 = show-comments-region ? '#primary-inner.ytd-watch-flexy ytd-commentsx#commentsx.ytd-watch-flexy' : '#primary-inner.ytd-watch-flexy ytd-comments#comments.ytd-watch-flexy'

        html{selector(m)} {buildL4('is', 
            selector-comments-1, 
            '#secondary-inner.ytd-watch-flexy > #related.ytd-watch-flexy')} {
            display: none !important;
        }


        html:not([tabview-loaded]) #cinematics {
            // contain: layout;
            contain: layout size style;
            user-select: none;
            touch-action: none;
            pointer-events: none;
        }

        if video-no-round-angle {
            ytd-watch-flexy[rounded-player-large][default-layout] #ytd-player.ytd-watch-flexy.ytd-watch-flexy {
                border-radius: 0;
            }
        }

    }

    //
    contentNoMasthead() {

        // root = html
        
        & {
            /* 0px not 0 */
            --ytd-masthead-height: 0px;
            --ytd-toolbar-height: 0px;
            --ytd-watch-flexy-masthead-height: 0px;
        }
        
        ytd-app[style] { /* YouTube set the masthead-height in style */
            --ytd-masthead-height: 0px !important;
            --ytd-toolbar-height: 0px !important;
            --ytd-watch-flexy-masthead-height: 0px !important;
        }
        
        & .style-scope{buildL4('is', '#page-manager', 'ytd-watch-flexy', 'ytd-page-manager')} {
            --ytd-masthead-height: 0px;
            --ytd-toolbar-height: 0px;
            --ytd-watch-flexy-masthead-height: 0px;
        }
        
        

        #masthead-container {
            height: 0;
            --masthead-opacity: 0;
            opacity: var(--masthead-opacity) !important;
            transition: opacity 300ms;
            min-height: masthead-hoverable-height;
            contain: layout size style;
        }

        #masthead-container > ytd-masthead {
            transform: translateY(-100%);
            transition: transform 300ms;
        }


        if masthead-hoverable-height > 0 {

            ytd-app {
                --ut-masthead-background: rgba(15,15,15,0.8);
            }
            ytd-app[darker-dark-theme] {
                --ut-masthead-background: rgba(240,240,240,0.8);
            }
            ytd-masthead#masthead:hover {
                background-color: color(--ut-masthead-background);
                z-index: 9999 !important;
            }

            ytd-masthead#masthead {
                background-color: rgba(15,15,15,0.8);
                z-index: 9999 !important;
            }

            #masthead-container:hover {
                --masthead-opacity: 1;
            }

            #masthead-container:hover > ytd-masthead {
                transform: translateY(0%);
                transition-delay: masthead-hoverable-delay-in;
            }

            #masthead-container::after {
                content: '';
                display: flex;
                width: 100%;
                height: masthead-hoverable-height;
                top: 0;
                z-index: 77;
                cursor: default;
                user-select: none !important;
                touch-action: none !important;
                box-sizing: border-box;
                padding: 0;
                margin: 0;
            }
        }
        

        ytd-watch-flexy.style-scope[is-two-columns_]:not([fullscreen]):not([theater]) {

            #columns.style-scope.ytd-watch-flexy,
            #primary.style-scope.ytd-watch-flexy,
            #primary-inner.style-scope.ytd-watch-flexy,
            #secondary.style-scope.ytd-watch-flexy,
            #secondary-inner.style-scope.ytd-watch-flexy {
                height: 100vh;
                max-height: 100%;
            }
        }

        ytd-watch-flexy.style-scope[is-two-columns_][theater]:not([fullscreen]) {

            height: 100vh;
            
            .ytd-watch-flexy{buildL4('is', '#player-theater-container', '#player-wide-container')} {
                flex: 77;
                max-height: unset;
            }


        }



        &:not([tabview-loaded]) ytd-watch-flexy.style-scope[is-two-columns_][theater]:not([fullscreen]) {

            .ytd-watch-flexy{buildL4('is', '#player-theater-container', '#player-wide-container')} ~ #columns.style-scope.ytd-watch-flexy {
                overflow: visible;
            }
            
        }

        

    } // 
        
    contentSingleColMobile() {
        

        // html:has(ytd-watch-flexy:not([is-two-columns_]):not([fullscreen]))

        if no-masthead-w>=1 {


            if youtube-wpr {


                &[youtube-wpr*="h2"] ytd-watch-flexy:not([theater]):not([fullscreen]):not([no-top-margin]):not([reduced-top-margin]) .ytd-watch-flexy{buildL4('is', '#primary', '#secondary')} {
                    padding-top: 0px;
                }
                &[youtube-wpr*="h2"] ytd-watch-flexy[tyt-tab^="#tab-"]:not([is-two-columns_]) #primary-inner.ytd-watch-flexy {
                    padding-bottom: 0px;
                }


            } else {


                &:has(#chat:not([collapsed])) ytd-watch-flexy:not([theater]):not([fullscreen]):not([no-top-margin]):not([reduced-top-margin]) .ytd-watch-flexy{buildL4('is', '#primary', '#secondary')} {
                    padding-top: 0px;
                }
                &:has(#chat:not([collapsed])) ytd-watch-flexy[tyt-tab^="#tab-"]:not([is-two-columns_]) #primary-inner.ytd-watch-flexy {
                    padding-bottom: 0px;
                }

            }

        }

        #chat:not([collapsed]) {
            --ytd-margin-2x: 0;
            --ytd-margin-4x: 0;
            --ytd-margin-6x: 0;
            --ytd-margin-8x: 0;

            height: 100% !important;
            min-height: unset !important;
            max-height: 100vh !important;

            // position:relative;
            // top:auto;
            // bottom:0;

            iframe#chatframe{

                min-height: 0px;

            }



            if chat-zoom-for-mobile-enable {


                iframe-transform = 'scale(%s)' % chat-zoom-for-mobile
                iframe-ratio = 100% / chat-zoom-for-mobile

                iframe#chatframe {
                    position:absolute;

                    transform:  iframe-transform;
                    height: s('calc((100% - %s) / %s) !important', chat-btn-height, chat-zoom-for-mobile); 
                    max-height: unset !important; 
                    min-height: unset !important; 
                    transform-origin: 0 0;
                    width: iframe-ratio !important;
                    margin-top: chat-btn-height;


                }


            }


        }


        
        
        m = youtube-wpr ? '[youtube-wpr*="h2"]': ":has(#chat:not([collapsed]))"
        
        selector-comments-2 = show-comments-region ? '#primary-inner.ytd-watch-flexy ytd-commentsx#commentsx.ytd-watch-flexy' : '#primary-inner.ytd-watch-flexy ytd-comments#comments.ytd-watch-flexy'

        &{selector(m)} {
            // html:has(ytd-watch-flexy:not([is-two-columns_]):not([fullscreen])):has(#chat:not([collapsed]))

            --ylb-min-below-area:  chat-min-height;

            #contentContainer.tp-yt-app-drawer[swipe-open].tp-yt-app-drawer::after {

                content: unset;

            }
 

            {selector-comments-2},
            #below.ytd-watch-flexy > .ytd-watch-flexy{buildL4('is', '#related', 'ytd-watch-metadata')} {
                /* display:none !important; */
                position: fixed !important;
                transform: scale(0.01) !important;
                transform-origin: 0 0 !important;
                left: -100vw !important;
                top: -100vh !important;
                visibility: collaspe !important;
                pointer-events: none !important;
                user-select: none !important;
                touch-action: none !important;
            }
 

            #secondary.ytd-watch-flexy {
                display:none !important;
            }


            .efyt-control-bar {
                position: relative;
                display: inline-flex;
                top: auto;
                left: auto;
                z-index: 99999;
                opacity: 0.8;
                transform: translate(calc(-100% + 32px), 0) !important;
            }

            .efyt-control-bar:hover {
                opacity: 1.0;
                background: var(--yt-spec-general-background-a);
                transform: translate(0px, 0) !important;
            }

            #player {
                margin-bottom: 0;
            }

            {buildL4('is', '#columns', '#primary')} {
                padding: 0;
            }

            {buildL4('is', '#player', '#player-theater-container', '#player-container-outer', '#player-container-inner', '#player-container', '#movie_player', '#movie_player video')} {
                object-fit: contain;
                max-height: calc(100vh - var(--ytd-toolbar-height) - var(--ylb-min-below-area, 0px)) !important;

            }
 

            #primary-inner.ytd-watch-flexy > :not(.style-scope) {
                display: none !important;
            }

            #below {
                display: flex;
                flex-direction: column;
                flex: 1;
            }
            #below > *:not([id|="chat"]) {
                position: fixed !important;
                transform: scale(0.01) !important;
                transform-origin: 0 0 !important;
                left: -100vw !important;
                top: -100vh !important;
                visibility: collaspe !important;
                pointer-events: none !important;
                user-select: none !important;
                touch-action: none !important;
            }
            
            #below ~ [id|="chat"],
            #primary-inner.ytd-watch-flexy ~ [id|="chat"],
            #primary.ytd-watch-flexy ~ [id|="chat"] {
                flex: 1;
            }
            

            #below:not(:has(#chat)) {
                display: none;
            }

            {buildL4('is', 'ytd-watch-flexy', '#columns.ytd-watch-flexy', '#primary.ytd-watch-flexy', '#primary-inner.ytd-watch-flexy')} {
                display: flex;
                flex-direction: column;
                margin: 0;
                flex: 1;
            }

            ytd-watch-flexy {
                height: 100vh !important;
                max-height: 100vh !important;
            }

            ytd-watch-flexy{buildL4('is', '[theater]', '[fullscreen]')} .ytd-watch-flexy{buildL4('is', '#player-theater-container', '#player-wide-container')} {

                min-height: unset !important;
            }
        }
        
    }
    
    content2cHTML() {
        // html
        
        body.lock-scrollbar {
            overflow-y: auto;
        }
        
    }

    content2cMAIN() {
        // body or html
    
        if chat-zoom-for-right-col >1 or chat-zoom-for-right-col < 1 {

            ytd-watch-flexy[is-two-columns_]:not([fullscreen]) iframe#chatframe {

                position:absolute;
                margin-top:chat-btn-height;

                transform: 'scale(%s)' % chat-zoom-for-right-col;
                transform-origin: 0 0;
                width: '%s !important' % (100% / chat-zoom-for-right-col);
                max-width: unset !important;
                height: s('calc( (100% - %s) / %s ) !important', chat-btn-height, chat-zoom-for-right-col);
                z-index: 1; /* for normal youtube */

            }

        }


        if no-masthead-w==0 {

            ytd-watch-flexy.style-scope[is-two-columns_]:not([theater]):not([fullscreen]) {

                .style-scope.ytd-watch-flexy{buildL4('is', '#secondary', '#secondary-inner')} {
                    height: calc(100vh - var(--ytd-toolbar-height));
                    max-height: 100%;
                }
            }
        }


        ytd-watch-flexy[is-two-columns_]:not([fullscreen]) #movie_player {

            .ytp-chrome-bottom[style*="width"] {
                width: unset !important;
                left: chrome-bottom-bar-margin !important;
                right: chrome-bottom-bar-margin !important;
            }

        }


        ytd-watch-flexy.style-scope[is-two-columns_]:not([theater]):not([fullscreen]) ytd-live-chat-frame#chat:not([collapsed]) {
            min-height: unset;
        }



        ytd-watch-flexy.style-scope[is-two-columns_]:not([fullscreen]) #primary-inner.ytd-watch-flexy > *:not(#player) {
            padding: 0 primary-content-margin 0;
        }


        ytd-watch-flexy.style-scope[is-two-columns_]:not([theater]):not([fullscreen]) #player .ytd-watch-flexy{buildL4('is', '#player-container-outer', '#player-container-inner', '#player-container')}{

            // layout outside
            // no effect
            // layout inside
            max-height: calc(100vh - var(--ytd-toolbar-height, 0px) - var(--ylb-min-below-area, 0px)); // for very wide screen
        }

        ytd-watch-flexy.style-scope[is-two-columns_][theater]:not([fullscreen]) .ytd-watch-flexy{buildL4('is', '#player-theater-container', '#player-wide-container')} {
            max-height: calc(100vh - var(--ytd-toolbar-height, 0px) - var(--ylb-min-below-area, 0px)); // for 4:3 video

        }

        ytd-watch-flexy.style-scope[is-two-columns_] #columns.ytd-watch-flexy > #secondary.ytd-watch-flexy {
            width: side-panel-width;
        }
 
    }
    
    contentfHTML(){
        // html
        
        

        body ytd-watch-flexy[flexy] #player-container-outer.ytd-watch-flexy {
            max-width: unset; // override var(--ytd-watch-flexy-max-player-width);
        }

       
        &:not([tabview-loaded]) {

            body ytd-watch-flexy[flexy][is-two-columns_]{buildL4('is', '[is-extra-wide-video_]', '[is-four-three-to-sixteen-nine-video_]')} #primary.ytd-watch-flexy {

                max-width: unset; // override var(--ytd-watch-flexy-max-player-width);

            }
        }
    
        chat-selector = youtube-wpr ? '[youtube-wpr*="h2"]': ":has(#chat:not([collapsed]))"

        &{selector(chat-selector)} {
            
            ytd-watch-flexy.style-scope:not([fullscreen]) {
                
                .style-scope{buildL4('is', '#chat', '#chat-container')}{
                    flex: 77;
                }
            }
            
        }
        
    }

    contentfMAIN() {
        // body or html
        

        if (video-padding-left-right + video-padding-top-bottom) > 0 {

            #player-container-outer.ytd-watch-flexy {
                padding-left: video-padding-left-right;
                padding-right: video-padding-left-right;
                padding-top: video-padding-top-bottom;
                padding-bottom: video-padding-top-bottom;
            }

        }


        &:not([tabview-loaded]) {

            ytd-watch-flexy:not([fullscreen]) .ytd-watch-flexy{buildL4('is', '#player-theater-container', '#player-wide-container')} {
                max-height: calc(100vh - var(--ytd-toolbar-height) - var(--ylb-min-below-area, 0px)) !important;
            }


            ytd-watch-flexy[is-two-columns_]:not([theater]):not([fullscreen]) {buildL4('is', '#columns', '#primary', '#primary-inner', '#secondary', '#secondary-inner')} {
                height: calc(100vh - var(--ytd-toolbar-height));
            }

        }

        if video-enlarging > 0 {

            ytd-watch-flexy:not([theater]):not([fullscreen]) #movie_player video[src] {
                transform: 'scale(%s)' % (video-enlarging / 1000 + 1) ;
                transform-origin: 50% 50%;
            }

        }







        ytd-watch-flexy[flexy][is-two-columns_][theater]:not([fullscreen]) {

            --ylb-min-below-area: min-below-area-for-theater;

            {buildL4('is', '#player', '#player-theater-container', '#player-wide-container', '#player-container-outer', '#player-container-inner', '#player-container', '#movie_player', '#movie_player video')} { 
                object-fit: contain;
                max-height: calc(100vh - var(--ytd-toolbar-height) - var(--ylb-min-below-area, 0px)) !important;
            }
        }



        if no-bottom-row {

            #bottom-row.ytd-watch-metadata {
                display: none !important;
            }
        }

        h1.ytd-watch-metadata {
            font-size: video-title-size;
            --font-size: video-title-size;
            line-height: 140%;
            margin-bottom: -2px;
        }

        
    
        chat-selector = youtube-wpr ? '[youtube-wpr*="h2"]': ":has(#chat:not([collapsed]))"


        ytd-watch-flexy.style-scope:not([fullscreen]) {

            & {
                --ytd-margin-2y: var(--ytd-margin-2x);
                --ytd-margin-4y: var(--ytd-margin-4x);
                --ytd-margin-6y: var(--ytd-margin-6x);
                --ytd-margin-8y: var(--ytd-margin-8x);
            }

            #columns.style-scope.ytd-watch-flexy {
                --ytd-margin-2x: 0;
                --ytd-margin-4x: 0;
                --ytd-margin-6x: 0;
                --ytd-margin-8x: 0;
            }

            .style-scope.ytd-watch-flexy > :not(.ytd-watch-flexy),
            #below,
            #player {
                --ytd-margin-2x: var(--ytd-margin-2y);
                --ytd-margin-4x: var(--ytd-margin-4y);
                --ytd-margin-6x: var(--ytd-margin-6y);
                --ytd-margin-8x: var(--ytd-margin-8y);
            }
            
            if unlimit-player-max-width {
                html body ytd-watch-flexy.style-scope[class][flexy]:not([attr1][attr2]) #columns.ytd-watch-flexy.style-scope[class] {
                    max-width: initial;
                }
                #columns {
                    --ytd-watch-flexy-max-player-width: initial;
                }
            }

            #secondary-inner.style-scope.ytd-watch-flexy {
                display: flex;
                flex-direction: column;
                height: 100%;
            }

            #secondary-inner.style-scope.ytd-watch-flexy > * {
                flex-shrink: 0;
            }

            #movie_player {
                position: relative;
                > .html5-video-container:has(video) {
                    top: 0;
                    bottom: 0;
                    left: 0;
                    right: 0;
                    position: absolute;
                }

                .html5-video-container > video {
                    width: unset !important;
                    height: 100% !important;
                    left: 0 !important;
                    right: 0 !important;
                    max-height: 100%;
                    max-width: 100%;
                    margin: 0 auto;
                }

                .html5-video-container > video[style*="top:"]:not(video[style*="top: -"]):not(video[style*="top:-"]) {
                    top: 0 !important;
                }

            }

            #chat-container {
                display: flex;
                flex-direction: column;
            }

            #right-tabs {
                display: flex;
                margin: 0 !important;
                flex: 1;
                flex-direction: column;

                {buildL4('is', '#material-tabs', '.tab-content')} {
                    outline: 0;
                }

                .tab-content {
                    flex: 77;
                }
            }

            &:not([is-two-columns_]) #primary-inner > *:not(#player) {
                padding: 0;
            }

            &:not([is-two-columns_]) #primary-inner #below > *:not([id|="chat"]) {
                padding: 0 primary-content-margin 0;
            }

        }

        
        if no-round-border {

            ytd-live-chat-frame[rounded-container],
            ytd-live-chat-frame[rounded-container] #show-hide-button.ytd-live-chat-frame ytd-toggle-button-renderer.ytd-live-chat-frame,
            ytd-live-chat-frame[rounded-container] iframe.ytd-live-chat-frame,
            ytd-live-chat-frame[rounded-container] #show-hide-button.ytd-live-chat-frame ytd-toggle-button-renderer.ytd-live-chat-frame button.yt-spec-button-shape-next,
            ytd-live-chat-frame[rounded-container] #show-hide-button.ytd-live-chat-frame ytd-toggle-button-renderer.ytd-live-chat-frame button.yt-spec-button-shape-next:hover {
                border-radius: unset;
            }
        }


        if disable-cinematics {
            #cinematics.ytd-watch-flexy {
                display: none;
            }
        }
    } // 
    
    
        
    contentgHTML() {
        // html

        content2cHTML() //
        
        selector-g = '' //
        
        if mode-for-single-col=="disabled" { //
            selector-g = youtube-wpr ? '[youtube-wpr*="s"]': ":has(ytd-watch-flexy[is-two-columns_])" //
        } //
            
        &{s(selector-g)} { //
            // html
            contentfHTML() //
        } //
            
        
            
        
    }
    
        
    contentgMAIN() {
        // body or html

        content2cMAIN() //
        
        selector-g = '' //
        
        if mode-for-single-col=="disabled" { //
            selector-g = youtube-wpr ? '[youtube-wpr*="s"]': ":has(ytd-watch-flexy[is-two-columns_])" //
        } //
            
        &{s(selector-g)} { //
            // html
            contentfMAIN() //
        } //
            
            
        
    }
    
    
    
    
    contentBase() //
    
    selectors-2col = { //
         "expanded-panel": join(', ', 
             "html:not([tabview-loaded]):has(ytd-live-chat-frame#chat:not([collapsed])):has(iframe#chatframe)", 
             "html[tabview-loaded]:has(ytd-watch-flexy[is-two-columns_]:not([fullscreen]))"
         ),
         "expanded-live": "html:has(ytd-live-chat-frame#chat:not([collapsed])):has(iframe#chatframe)",
         "expandable-live": "html:has(ytd-live-chat-frame#chat):has(iframe#chatframe)",
         "always": "html"
     } //
         
    if youtube-wpr {
        
        selectors-2col = { //
         "expanded-panel": join(', ', 
             'html:not([tabview-loaded])[youtube-wpr*="h2"][youtube-wpr*="f"]', 
             'html[tabview-loaded][youtube-wpr*="s"][youtube-wpr*="f"]'
         ),
         "expanded-live": 'html[youtube-wpr*="h2"][youtube-wpr*="f"]',
         "expandable-live": 'html:not([youtube-wpr*="h0"])[youtube-wpr*="f"]',
         "always": 'html[youtube-wpr*="f"]'
     } //
        
    }
    
    selector-2col = selectors-2col[mode-for-two-col]
    selectors-k = split(', ', selector-2col)
    for selector-k in selectors-k {
     
        {s(selector-k)} {
            
            if no-masthead-w==1 {
                contentNoMasthead()
            }
            
            if compatible-ytlstm {
                contentgHTML()
                
                body:not([data-ytlstm-theater-mode]) {
                    contentgMAIN() //
                }
                
            } else {
                    
                contentgHTML()
                contentgMAIN() //
            }
            
        }
        
    }
    
    

    if single-col-mobile {
        
        
        m = youtube-wpr ? '[youtube-wpr*="S"][youtube-wpr*="f"]': ":has(ytd-watch-flexy:not([is-two-columns_]):not([fullscreen]))"
        
        
        html{selector(m)} {

            
            if no-masthead-w==1 {
                contentNoMasthead()
            }
            
            if no-masthead-w==2 {
                
                if youtube-wpr {
                    &[youtube-wpr*="h2"] {
                        contentNoMasthead()
                    }
                } else {
                    
                    &:has(#chat:not([collapsed])) {
                        contentNoMasthead()
                    }
                }
            }
            contentSingleColMobile()
        }
    }

    @css {

        @supports not selector(:has(body)) {


            html::after {
                display: block;
                content: 'Your browser does not support "has-selector". Please update to latest version and enable it via configuration.';
                width: 60vh;
                padding: 12px;
                height: auto;
                position: fixed;
                left: 50%;
                top: 50%;
                transform: translate(-50%, -50%);
                transform-origin: 0 0;
                background: #71210f;
                color: #d2dadb;
                font-size: 14pt;
                text-shadow: 1px 1px 2px #605262;
            }

        }
    }

    

    if youtube-wpr {

        @css {
                
            @supports selector(:has(body)) {

            
                @keyframes wpr-message-appear {
                    0% {
                        top: -300vh;
                    }
                    1% {
                        top: 50%; 
                    }
                    100% {
                        top: 50%; 
                    }
                }
                
                
                html:not([youtube-wpr]) ytd-watch-flexy::after {
                    display: block;
                    content: 'YouTube Live Borderless: YouTube WPR is not yet installed. Please install the userscript https://greatest.deepsurf.us/scripts/457319 in order to use YouTube WPR';
                    width: 60vh;
                    padding: 12px;
                    height: auto;
                    position: fixed;
                    left: 50%;
                    top: -300vh;
                    transform: translate(-50%, -50%);
                    transform-origin: 0 0;
                    background: #71210f;
                    color: #d2dadb;
                    font-size: 14pt;
                    text-shadow: 1px 1px 2px #605262;
                    animation: wpr-message-appear 1ms 2s forwards;
                    z-index: 9999;
                }
        
                
            }

        }

    }
    
}