style.css

:root {
  font-family: Inter, Avenir, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;

  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

canvas {
  position: fixed;
  top: 0;
  left: 0;
  z-index: -1;
}

.container {
  padding: 2rem;
  grid-column-start: 2;
}

.container h1 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

@media (max-width: 768px) {
  body {
    grid-template-columns: 1fr;
  }

  .container {
    grid-column-start: 1;
    margin-top: 5rem;
    background: hsla(0, 0%, 100%, 0.1);
    backdrop-filter: blur(2px);
    width: 95%;
    margin: 5rem auto;
    border-radius: 5px;
  }
}