html, body {
  height: 100%;
  margin: 0;
  background: #d0111100;
}

body {
  min-height: 640px;
  display: grid;
  flex-direction: inherit;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 20%, #002a2a, #000);
}

/* Make the matrix canvas full-screen and behind everything */
.matrix-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
}

.matrix-background canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Other content box styling, if needed */
div:not(.matrix-background) {
  padding: 0px 10px 20px;
  border-radius: 40px;
  box-shadow: 0 0 50px 50px #00000000;
  background: #16161600;
}