style.css

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "Montserrat", sans-serif;
  }
  body {
    background-color: #21233c;
  }
  .container {
    height: 31.25em;
    width: 31.25em;
    position: absolute;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    color: #ffffff;
  }
  p.letter {
    font-size: 3.5em;
    position: absolute;
    transform: translateY(-50%);
    top: 50%;
  }
  .letter-M {
    left: 0.2em;
  }
  .letter-N {
    right: 0.2em;
  }
  .moon {
    background-color: #f5f5f5;
    height: 8em;
    width: 8em;
    border-radius: 50%;
    position: absolute;
    margin: auto;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    box-shadow: 0 0 0 0.6em rgba(255, 255, 255, 0.05), 0 0 0 1.2em rgba(255, 255, 255, 0.05), 0 0 0 0.6em rgba(255, 255, 255, 0.05);
  }
  .moon:after {
    position: absolute;
    content: "";
    background-color: #e6e6e6;
    height: 0.9em;
    width: 0.9em;
    border-radius: 50%;
    top: 3.75em;
    left: 1.25em;
    box-shadow: 0.9em -2.1em 0 0.2em #e6e6e6, 1.5em -0.3em 0 -0.06em #e6e6e6;
  }
  .orbit {
    height: 18.75em;
    width: 18.75em;
    border-radius: 50%;
    position: absolute;
    left: -5.2em;
    bottom: -5.2em;
    animation: spin 8s infinite linear;
  }
  @keyframes spin {
    100% {
      transform: rotate(360deg);
    }
  }
  .orbit p {
    position: absolute;
    font-size: 3.5em;
    top: 0.25em;
    left: 0.25em;
  }
  @media screen and (min-width: 700px) {
    .container {
      font-size: 20px;
    }
  }