:root {
  --white: #FFFFFF;
  --light-gray: #DDDDDD;
  --gray: hsl(0, 0%, 50%);
  --dark-gray: hsl(0, 0%, 18%);
  --black: hsl(0, 0%, 10%);
  font-size: 1.2rem;
}

* {
  box-sizing: border-box;
  font-family: monospace;
  font-size: 1.1rem;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: var(--black);
  color: var(--white);
}

main {
  background-color: var(--dark-gray);
  padding: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: min-content 1fr;
  row-gap: 20px;
  column-gap: 40px;
  width: 100%;
  height: 100%;
  max-width: 60rem;
  max-height: 30rem;
  border-radius: 0.4rem;
}

h1 {
  font-size: 1.4rem;
}

textarea {
  width: 100%;
  height: 100%;
  padding: 0.8rem;
  resize: none;
  background-color: var(--black);
  color: var(--white);
  border: 2px var(--gray) solid;
  border-radius: 0.2rem;
  outline: none;
}