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

body {
  padding: 0;
  margin: 0;
  background-color: rgb(15, 15, 15);

  display: grid;
  grid-auto-flow: column;
  justify-content: start;
  grid-template-columns: 360px 1fr;
  grid-template-areas:
    "BIG1 BIG3"
    "BIG1 BIG2";
}