daysofcode/2019/10/day-13/day-13.css at master · w3dotdev/daysofcode · GitHub

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.container { filter: contrast(130%) brightness(250%); overflow: hidden; position: relative; }

.container::before,
.container::after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  pointer-events: none;
  z-index: 10;
}

.container::before { background: linear-gradient(45deg, #1c861a, #870ef5); mix-blend-mode: multiply; }

.container::after {
  animation: _light 5s infinite linear;
  background: radial-gradient(circle, #fff, transparent 25%) 0 0/25% 25%, radial-gradient(circle, #fff, #000 25%) 50% 50%/25% 25%;
  mix-blend-mode: color-dodge;
  top: -100%;
  left: -100%;
}

.text {
  background: #000;
  font-size: 10rem;
  text-transform: uppercase;
  position: relative;
}

.text::before,
.text::after {
  content: "Calistenia";
  color: #fff;
  filter: blur(0.02em);
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

.text::after { mix-blend-mode: difference; }

@keyframes _light {
  100% { transform: translate3d(50%, 50%, 0); }
}