#box {
  position: absolute;
  width: 350px;
  height: 450px;
  top: 50%;
  left: 50%;
  margin-top: -225px;
  margin-left: -175px;
  background: #222;
  opacity: 0;
}
svg {
  width: 100%;
  height: 100%;
}
path {
  stroke-width: 2px;
  stroke: #fff;
  fill: #222;
  stroke-linecap: round;
  stroke-linejoin: round;
}
label {
  position: absolute;
  top: 2em;
  left: 2em;
  padding: 4px;
  background: #444;
  color: #000;
  font-family: Arial, sans-serif;
  cursor: pointer;
}
label:hover {
  background: #777;
}
#mute:checked ~ label {
  color: #999;
}
input {
  display: none;
}
a {
  position: absolute;
  width: 120px;
  top: 2em;
  right: 2em;
  color: #444;
  font-family: Arial, sans-serif;
  font-size: 14px;
  letter-spacing: 2px;
  text-align: right;
  line-height: 1.5em;
  text-decoration: none;
}
a:hover {
  color: #777;
}
body {
  overflow: hidden;
  margin: 0;
  padding: 0;
  background: #222;
}