style.css

*,
*::before,
*::after {
  box-sizing: border-box;
}

@font-face {
  font-family: "VAG";
  src: url("font/VAG-Rounded-Light.ttf");
}

body {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  color: white;
  font-family: "VAG", sans-serif;
  font-weight: lighter;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  width: 100vw;
  height: 100vh;
}

canvas {
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
}

.container {
  text-align: center;
  display: block;
  position: relative;
  z-index: 1;
  max-width: 300px;
  width: 85%;
  margin: auto;
  top: 50%;
  transform: translateY(-50%);
}

.countdownContainer {
  display: flex;
  justify-content: center;
  align-self: center;
}

.number {
  font-size: 2.1em;
}

.label {
  display: block;
  font-size: 0.75em;
}

.countdownContainer > div {
  display: block;
  margin: 0 1rem;
}

.until {
  margin-top: 10px;
}

.fade {
  animation: fade-out 2500ms forwards 1;
}

@keyframes fade-out {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}