memorium/static/global.css

body {
  background: #1F1F1F;
  padding: 0px 20px;
}

.noisy-gradient::after {
  content: "";
  top: 0;
  left: 0;
  z-index:0;
  position: absolute;
  opacity: 0.7;
  height: 100%;
  width: 100%;
  background: url(/grainy-gradient.png);
  background-size: contain;
}