h1 {
  text-align: center;
}

.container {
  background-color: rgb(255, 255, 255);
  padding: 10px 0;
}

.marker {
  width: 200px;
  height: 25px;
  margin: 10px auto;
}

.cap {
  width: 60px;
  height: 25px;
}

.sleeve {
  width: 110px;
  height: 25px;
  background-color: rgba(255, 255, 255, 0.5);
  border-left: 10px double rgba(0, 0, 0, 0.75);
}

.cap, .sleeve {
  display: inline-block;
}

.red {
  background: linear-gradient(rgb(122, 74, 14), rgb(245, 62, 113), rgb(162, 27, 27));
  box-shadow: 0 0 20px 0 rgba(83, 14, 14, 0.8);
}

.green {
  background: linear-gradient(#55680D, #71F53E, #116C31);
  box-shadow: 0 0 20px 0 #3B7E20CC;
}

.blue {
  background: linear-gradient(hsl(186, 76%, 16%), hsl(223, 90%, 60%), hsl(240, 56%, 42%));
  box-shadow: 0 0 20px 0 hsla(223, 59%, 31%, 0.8);
}

.container {
  text-align: center;
}

.marker {
  display: block;
  padding: 0;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s ease, outline 0.15s ease;
}

.marker:hover {
  transform: scale(1.06);
}

.marker.selected {
  outline: 3px solid #222;
  outline-offset: 5px;
}

.drawing-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin: 28px auto 12px;
  font-family: Arial, sans-serif;
}

#clear-button {
  padding: 8px 12px;
  cursor: pointer;
}

#drawing-canvas {
  display: block;
  width: min(90%, 700px);
  height: 400px;
  margin: 0 auto 30px;
  border: 2px solid #333;
  border-radius: 8px;
  background: white;
  cursor: crosshair;
  touch-action: none;
}