RetroArch/pkg/emscripten/libretro/libretro.css

/**
 * RetroArch Web Player
 *
 * This provides the basic styling for the RetroArch web player.
 */

/**
 * Make sure the background of the player is black.
 * Also make sure line height is 0 so there's no extra space on the bottom.
 */
.webplayer-container {
  background-color: black;
  line-height: 0;
}

/**
 * Webplayer Preview when not loaded.
 */
.webplayer-preview {
  margin: 0 auto;
  cursor: wait;
  opacity: 0.2;
  transition: all 0.8s;
  -webkit-animation: loading 0.8s ease-in-out infinite alternate;
  -moz-animation: loading 0.8s ease-in-out infinite alternate;
  animation: loading 0.8s ease-in-out infinite alternate;
}
.webplayer-preview.loaded {
  cursor: pointer;
  opacity: 1;
  -webkit-animation: loaded 0.8s ease-in-out;
  -moz-animation: loaded 0.8s ease-in-out;
  animation: loaded 0.8s ease-in-out;
}
@keyframes loaded {
  from {
    opacity: 0.2;
  }
  to {
    opacity: 1;
  }
}
@-moz-keyframes loaded {
  from {
    opacity: 0.2;
  }
  to {
    opacity: 1;
  }
}
@-webkit-keyframes loaded {
  from {
    opacity: 0.2;
  }
  to {
    opacity: 1;
  }
}
@keyframes loading{
  from {
    opacity: 0.2;
  }
  to {
    opacity: 0.35;
  }
}
@-moz-keyframes loading{
  from {
    opacity: 0.2;
  }
  to {
    opacity: 0.35;
  }
}
@-webkit-keyframes loading {
  from {
    opacity: 0.2;
  }
  to {
    opacity: 0.35;
  }
}

/**
 * Disable the border around the player.
 */
canvas.webplayer {
  border: none;
  outline: none;
}

textarea {
    font-family: monospace;
    font-size: 0.7em;
    height: 95%;
    width:  95%;
    border-style: none;
    border-color: transparent;
    overflow: auto;
    resize: none;
}

/**
 * Toggle Top Navigation
 */
.toggleMenu {
   float: right;
}
.showMenu {
   position: absolute;
   right: 0;
   cursor: pointer;
}
#icnShowMenu {
   color: #565656 !important;
}

.navbar {
  box-shadow: none;
}