styles.css

* {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  letter-spacing: 0.05rem;
  word-spacing: 0.1rem;
}

html,
body {
  background-color: black;
  overflow: hidden;
}

video {
  position: absolute;
  top: 0;
  left: 0;
  /* opacity: 0; */
}

canvas {
  outline: 3px dashed brown;
}

nav {
  position: fixed;
  right: 0;
  top: 0;
  padding: 1rem;
  display: flex;
  gap: 0.5rem;
}

button {
  background-color: white;
  outline: none;
  border: 1px dashed;
  padding: 0.21rem 0.6rem;
  cursor: pointer;
  transition: all 0.6s;
}

button:hover {
  background-color: black;
  color: white;
  border: 1px solid;
}

button:hover:disabled {
  background-color: #00000090;
  color: #ffffff90;
  cursor: not-allowed;
}

button#startCamera {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

button#startCamera.hide {
  opacity: 0;
  z-index: -9;
}