* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  height: 100%; width: 100%;
  background-color: black;
  overflow: hidden;
  position: fixed; top: 0; left: 0;
  color: #FFFFFF;
  font-family: monospace;
}
body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.5em;
  text-align: center;
}
.logo svg { display: block; width: 200px; max-width: 60vw; height: auto; }
#main { margin-top: 1em; font-weight: bold; margin-bottom: 1em; }