[data-theme="light"] {
  background: #d1cfcf;
}

[data-theme="dark"] {
  background: #222831;
}

body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: Arial, Helvetica, sans-serif;
}

main {
  width: 100vw;
  height: 100vh;
  position: relative;
}

.square {
  height: 2px;
  position: absolute;
  border: 3px solid #000000;
}

.wiggle > .square {
  animation: wiggle 0.2s infinite alternate;
}

@keyframes wiggle {
  0% {
    transform: rotate(-2deg);
  }
  50% {
    transform: rotate(2deg);
  }
  100% {
    transform: rotate(-2deg);
  }
}

#settings {
  position: fixed;
  top: 0;
  left: 0;
  padding: 10px;
  background-color: #222831;
  color: #eeeeee;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 100;
  font-size: 12px;
  opacity: 0.3;
  transition: opacity 0.1s;
}

#settings:hover {
  opacity: 1;
}

#settings div {
  display: flex;
  gap: 10px;
  align-items: center;
}