style.css

body {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    background: url(neom-unsplash.jpg);
  }

  
  .container {
    max-width: 600px;
    margin: 100px auto;
    text-align: center;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 15px;
    border: #111111;
    padding: 50px;
  }
  
  h1 {
    margin: auto;
    padding: 10px;
    font-size: 4rem;
    animation-delay: .5s;
    animation-duration: 3s;
    color: rgba(27, 27, 27);
  }

  #form {
    margin: 50px 10px 10px 10px;
  }
  
  input[type="text"] {
    width: 60%;
    padding: 10px;
    border: #111c;
    border-radius: 5px;
    margin-right: 5px;
    font-size: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    
  }
  
  #shorten-btn {
    font-size: 20px;
    padding: 10px 10px;
    border: none;
    border-radius: 5px;
    color: #fff;
    background-color: rgb(27, 27, 27, 0.8);
    cursor: pointer;
    background: linear-gradient(to right, rgba(0, 255, 255, 0.7), rgba(138, 43, 226, 0.9));
  }

  #shorten-btn:hover {
    background-color: rgba(255, 255, 255, 0.5);
    color: rgba(17, 17, 17, 0.9);
    font-weight: 550;
    opacity: 0.9;
  }
  
  #shortened-url {
    margin-top: 20px;
    font-size: 30px;
    padding: 2px;
    color: #111111;
    font-weight: bold;
    font-style: oblique;
    text-decoration-line: underline;
  }