body {
    font-family: 'Roboto', sans-serif;
    background-color: black;
    color: white;
  }
  .btn {
      border: none;
      color: black;
      padding: 15px 32px;
      text-align: center;
      text-decoration: none;
      display: inline-block;
      font-size: 16px;
      transition: .5s;
  }
  .btn:hover {
    background-color: red;
  }
  #time {
    font-size: 5em;
  }
  h1 {
    font-size: 4em;
  }
  .container {
    margin: auto;
    text-align: center;
    line-height: 1.5;
  }
  p {
    margin-top: 10px;
  }
  @media screen and (max-width:420px) {
    img {width:50%}
    #time {font-size: 3em;}
    h1{font-size: 2.5em;}
    .btn{padding: 10px 21.33333px;}
  }
