:root {
  --transform-style: preserve-3d;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  height: 100vh;
  margin: 0;
  background: #000;
  font-family: cursive;
  color: #fff;
  perspective: 500px;
}

.panel {
  width: 200px;
  height: 200px;
  border: 12px solid #26f;
  font-size: 28px;
  line-height: 2;
  transform-style: var(--transform-style);
  transform: rotateY(50deg);
}

.text {
  transform: rotateY(-50deg);
}

.ui {
  margin-top: 50px;
  font-size: 20px;
  line-height: 1.4;
  text-align: center;
}

.ui ul {
  list-style: none;
}

.slider {
  margin-top: none;
}

input[type="range"] {
  width: 300px;
  margin-top: 100px;
}