canvas {
  width: 100%;
  height: 100%;  
  background: linear-gradient(to bottom, #010a21, #04244c);
}
html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}
.credits {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
}
.credits a {
    font-size: 2rem;
    color: #04244c;
    text-decoration: none;
    text-shadow:
    -1px -1px 0 #c445e6,
    1px -1px 0 #c445e6,
    -1px 1px 0 #c445e6,
    1px 1px 0 #c445e6;
}
@media (max-width: 768px) {
    .credits a {
        font-size: 2rem;
    }
}