palemoon-dev/palemoon/base/content/browser-title.css

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#main-window::after {
    content: attr(title);
    line-height: 50px;
    max-height: 50px;
    overflow: -moz-hidden-unscrollable;
    pointer-events: none;
    position: fixed;
    word-wrap: break-word;
    -moz-hyphens: auto;
    color: CaptionText;
    font-weight: bold;
    text-align: left;
}

#main-window:-moz-window-inactive::after {
    color: InactiveCaptionText;
}

/* Win10 doesn't respond to inactive caption, so dim it instead */
@media (-moz-os-version: windows-win10) {
    #main-window:-moz-window-inactive::after {
      opacity: 0.5;
    }
}

/* Hide in fullscreen/TiT mode */
#main-window[inFullscreen="true"]::after,
#main-window[sizemode="maximized"][tabsintitlebar="true"]::after,
#main-window:not([chromemargin])::after {
    opacity: 0 !important;
}


#main-window::after {
    padding: 0 132px; /* AppMenu button/wincontrols width offset */
    left: 0;
    right: 0;
}

#main-window[privatebrowsingmode=temporary]::after {
    padding: 0px 132px 0px 152px; /* AppMenu button width offset for PB mode */
}

#main-window[sizemode="normal"]::after {
    left: -12px;
    right: -12px;
}

/* Windows Classic theme */

@media all and (-moz-windows-classic) {

  #main-window::after {
    top: -13px;
    text-shadow: none !important;
    background-position: 2px 18px;
  }

}


/* Windows Aero (Vista, non-glass 7/8) */

@media all and (-moz-windows-theme: aero) {

  #main-window::after {
    top: -11px;
    font-weight: normal;
    text-shadow: none;
    background-position: 2px 17px;
  }

  #main-window[sizemode="maximized"]::after {
    top: -7px;
  }

}


/* Windows Aero Glass */

@media (-moz-windows-glass) {

  #main-window::after {
    top: -13px;
    color: black;
    text-shadow: rgba(255,255,255,.6) 7px -1px 12px,
                 rgba(255,255,255,.6) 6px -1px 13px,
                 rgba(255,255,255,.9) 5px -1px 14px,
                 rgba(255,255,255,.6) -7px -1px 12px,
                 rgba(255,255,255,.6) -6px -1px 13px,
                 rgba(255,255,255,.9) -5px -1px 14px;
    z-index: -99999;
    background-position: 2px 18px;
    font-weight: bold;
  }

  #main-window[sizemode="maximized"]::after {
    top: -7px;
  }

  #main-window:-moz-window-inactive::after {
    opacity: .9;
    color: black;
    text-shadow: rgba(255,255,255,.7) 7px -1px 12px,
                 rgba(255,255,255,.5) 6px -1px 13px,
                 rgba(255,255,255,.5) 5px -1px 14px,
                 rgba(255,255,255,.7) -7px -1px 12px,
                 rgba(255,255,255,.5) -6px -1px 13px,
                 rgba(255,255,255,.5) -5px -1px 14px;
  }

}


/* Generic other themes */

@media all and (-moz-windows-theme: generic) {

  #main-window::after {
    font-family: trebuchet MS;
    font-size: 13px;
    text-shadow: 1px 1px rgba(0, 0, 0, .2);
    top: -9px;
    background-position: 2px 16px;
  }

  #main-window:-moz-window-inactive::after {
    text-shadow: none;
  }

}


/* Compositor style for Win 8/10 */

@media all and (-moz-windows-compositor) {
  @media not all and (-moz-windows-glass) {

    #main-window::after {
      background-position: 4px 17px;
      top: -13px;
    }
    
    @media (-moz-os-version: windows-win8) {
      #main-window::after {
        font-size: 15px;
        text-align: center;
      }
      
      #main-window[darkwindowframe="true"]:not(:-moz-window-inactive):not(:-moz-lwtheme)::after {
        /* Dark window frame/accent color on Win 8 */
        color: white;
      }
    }
    
    @media (-moz-os-version: windows-win10) {    
      #main-window::after {
        text-align: left;
      }
      
      @media (-moz-windows-accent-color-applies: 0) {
        #main-window:not(:-moz-window-inactive):not(:-moz-lwtheme)::after {
          /* Default Windows 10 styling is white - apply black text styling */
          color: black;
        }
      }
      
      @media (-moz-windows-accent-color-applies) {
        #main-window:not(:-moz-window-inactive):not(:-moz-lwtheme)::after {
          /* Accent color is applied - use the associated text styling */
          color: -moz-win-accentcolortext;
        }
      }
    }

    #main-window[sizemode="maximized"]::after {
      top: -5px;
    }
  }
  
}

/* Lightweight Themes */

#main-window:-moz-lwtheme::after {
  color: inherit;
  text-shadow: inherit;
}


/* Hide for small windows */

@media not all and (min-width: 320px) {

  #main-window::after {
    opacity: 0 !important;
  }
  
}