body,
html {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  overflow: hidden; }

body {
  background-color: #141414;
  background: radial-gradient(#1a1a1a, black);
  text-align: center; }

#svg {
  display: none; }

.debug #svg {
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 100%; }