theme.css

dialog {
  opacity: 0.7;
  border: 0px;
  border-radius: 8px;
}

dialog h5 {
  background: linear-gradient(rgb(100, 156, 255), rgb(214, 102, 251));
  -webkit-background-clip: text;
  color: transparent;
  text-align: center;

  font-size: 18px;
  font-weight: 800;
}

dialog ul {
  list-style-type: none;
  padding: 0px
}

dialog ul li {
  border-radius: 8px;
  margin: 20px 2px;
  background: linear-gradient(rgb(100, 156, 255), rgb(214, 102, 251));
  text-align: center;

  background-color: #c47135;
  border: none;
  color: #ffffff;
  outline: none;
  padding: 12px 40px 10px;
  position: relative;
}

dialog ul li:before,
dialog ul li:after {
  border: 0 solid transparent;
  transition: all 0.25s;
  content: '';
  height: 24px;
  position: absolute;
  width: 24px;
}
dialog ul li:before {
  border-top: 2px solid #c47135;
  left: 0px;
  top: -5px;
}
dialog ul li:after {
  border-bottom: 2px solid #c47135;
  bottom: -5px;
  right: 0px;
}
dialog ul li:hover {
  background-color: #c47135;
}
dialog ul li:hover:before,
dialog ul li:hover:after {
  height: 100%;
  width: 100%;
}



endplayer-container {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

endplayer-title {
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.4));
  opacity: 0;
  transition: opacity 1s linear;
}

endplayer-title:hover {
  opacity: 1;
}

endplayer-title endplayer-title-text {
  margin: 5px 10px;
  font-size: 18px;

  background: linear-gradient(rgb(100, 156, 255), rgb(214, 102, 251));
  -webkit-background-clip: text;
  color: transparent;
}

endplayer-control {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: space-between;

  opacity: 0;
  transition: opacity 1s linear;

  width: 100%;
  height: 70px;

  background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.8));
}

endplayer-control:hover {
  opacity: 1;
}

endplayer-controls-tray {
  width: 100%;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

endplayer-controls-time {
  background: linear-gradient(rgb(100, 156, 255), rgb(214, 102, 251));
  -webkit-background-clip: text;
  color: transparent;

  font-size: 12px;
  font-weight: 800;
}

endplayer-button-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

endplayer-button-group button {
  cursor: pointer;
  border-radius: 8px;
  border: 2px solid rgba(0, 0, 0, 0);
  background: none;
  margin: 2px 3px;
}

endplayer-button-group button:hover {
  background-color: rgba(0, 0, 0, 0.4);
}

endplayer-button-group button:active {
  border: 2px solid rgb(100, 156, 255);
  transition: border 0.1s;
}

endplayer-button-group button img {
  width: 32px;
  height: 32px;
}


/* Progress */
/*
 * https://css-tricks.com/styling-cross-browser-compatible-range-inputs-css/
 * */

endplayer-progress {
  height: 10px;
  width: 98%;

  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

endplayer-progress input[type="range"] {
  -webkit-appearance: none;
  overflow: hidden;
  outline : none;
  background: none;
}

endplayer-progress input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  border: 1px solid #000000;
  height: 36px;
  width: 16px;
  border-radius: 5px;
  background: rgb(214, 102, 251);
  cursor: pointer;
  margin-top: -14px; /* You need to specify a margin in Chrome, but in Firefox and IE it is automatic */
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d; /* Add cool effects to your sliders! */
  transition: background 0.2s;
}

endplayer-progress input[type="range"]::-webkit-slider-thumb:hover {
  background: rgb(0, 0, 0, 0.4);
}

endplayer-progress input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 3px;
  cursor: pointer;
  background: linear-gradient(to right,rgb(98,239,171,0.4) 5%,rgb(242,234,125,0.4) 15%,rgb(242,234,125,0.4) 25%,rgb(255,135,151,0.4) 35%,rgb(255,135,151,0.4) 45%,rgb(225,164,244,0.4) 55%,rgb(225,164,244,0.4) 65%,rgb(130,255,244,0.4) 75%,rgb(130,255,244,0.4) 85%,rgb(98,239,171,0.4) 95%);
  border-radius: 3px;
  transition: height 0.2s;
}

endplayer-progress input[type=range]::-webkit-slider-runnable-track:hover {
  height: 10px;
  border-radius: 5px;
}