html,
body {
  margin: 0;
  padding: 0;
  font-family: arial;
}
canvas {
  display: block;
}
#canvas-container {
  width: 98% !important;
  margin: 1%;
  aspect-ratio: 16/9;
  overflow: hidden;
}
#canvas-container canvas {
  width: 100% !important;
  height: 100% !important;
}
#intro-text {
  position: absolute;
  font-size: 2.5vw;
  overflow-y: scroll;
  display: none;
}

#intro-text::-webkit-scrollbar {
  width: 4px;
}

#intro-text::-webkit-scrollbar-thumb {
  background: #888; /* Thumb color */
  border-radius: 5px;
}

.side-bar {
  display: none;
  width: calc(98% * 0.2);
  height: calc(98vw * 0.562);
  position: absolute;
  top: 0;
  left: 0;
  margin: 1%;
  background: white;
  overflow-y: scroll;
}

.side-bar::-webkit-scrollbar {
  display: none; /* For Chrome, Safari, and Opera */
}
.bar-item {
  width: 100%;
  aspect-ratio: 1/1;
  background-size: 50%;
  background-position: center;
  background-repeat: no-repeat;
}
.bar-item h2 {
  margin: 0;
  font-size: 2vw;
  text-align: center;
  padding-top: 85%;
}
#time-line {
  display: none;
  position: absolute;
  width: 98%;
  height: calc(5vw);
  background: #f86b6e;
  z-index: 2;
  border-radius: 0 2vw 2vw 0;
}