body {
    background-color: #393e46;
    display: flex;
    align-items: center;
    justify-content: center;
}

#logo {
    animation-duration: 0.5s;
    animation-name: logo;
}

@keyframes logo {
    from {
      margin-top: -100px;
    }
  
    to {
      margin-top: 0px;
    }
  }