* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  width: 100%;
  height: 300vh;
}

.capture-canvas {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

#capture {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
}
#capture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: inline-block;
}

.support {
  position: fixed;
  right: 10px;
  bottom: 10px;
  padding: 10px;
  display: flex;
}
.support a {
  margin: 0 10px;
  color: #000;
  font-size: 1.8rem;
  backface-visibility: hidden;
  transition: all 150ms ease;
}
.support a:hover {
  transform: scale(1.1);
}