* {
  box-sizing: border-box;
}

html,
body,
main {
  width: 100%;
  height: 100%;
}

html,
body {
  padding: 0;
  margin: 0;
  background-color: #21191a;
  font-family: sans-serif;
}

main {
  display: flex;
  align-items: center;
  justify-content: center;
}

svg {
  width: 50vmin;
  height: 50vmin;
}

.visually-hidden {
  position: absolute;
  overflow: hidden;
  width: 1px;
  height: 1px;
  clip-path: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}