* {
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
}

body {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 1.6rem;
  line-height: 2.1rem;
  margin: 0;
  overflow: hidden;
  padding: 0;
}

.header {
  position: absolute;
  top: 0;
  z-index: 99;
}

h1 {
  display: flex;
  font-size: 40rem;
  font-weight: 900;
  height: 100vh;
  margin: 0;
}

h1 span {
  align-items: center;
  display: flex;
  flex-grow: 1;
  justify-content: center;
}

h1 span::before {
  content: attr(data-content);
  display: block;
  position: absolute;
  z-index: 1;
}

h1 span::after {
  background: #fff;
  border: 20px solid #000;
  content: '';
  display: block;
  height: 400px;
  position: absolute;
  width: 400px;
  z-index: 0;
}

.foreground {
  height: 100vh;
  left: 0;
  position: absolute;
  top: 0;
  width: 100vw;
  z-index: 1;
}

.conways {
  height: 100vh;
  left: 0;
  position: absolute;
  top: 0;
  width: 100vw;
}

.conway {
  height: 50vh;
  position: absolute;
  width: 50vw;
}

.conway canvas {
  height: 100%;
  width: 100%;
}

.conway--1 {
  border: 30px solid #00ffff;
  left: 0;
  top: 0;
}

.conway--2 {
  border: 30px solid #ff00ff;
  left: 50vw;
  top: 0;
}

.conway--3 {
  border: 30px solid #ffff00;
  left: 0;
  top: 50vh;
}

.conway--4 {
  border: 30px solid #000000;
  left: 50vw;
  top: 50vh;
}