:root {
  --base: #94ff00;
  --spacing: 10px;
  --blur: 10px;
}

img {
  padding: var(--spacing);
  background-color: var(--base);
  filter: blur(var(--blur));
  width: 700px;
  height: 420px;
}

.highlight {
  color: var(--base);
}

html {
  font-size: 10px;
}

body {
  font-family: 'IBM Plex Mono', monospace;
  text-align: center;
  background-color: #21394b;
  color: white;
  font-size: 2rem;
}

.controls {
  margin-bottom: 50px;
}

input {
  width: 100px;
}