body {
    background-color: #333;
    color: #fff;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    margin: 0;
    text-align: left;
  }
  
  .container {
    margin-left: auto;
    margin-right: auto;
    padding-left: 21px;
    padding-right: 15px;
  }
  
  .jumbotron {
    background-color: #01b4bc;
    color: #fff;
    margin-bottom: 2rem;
    padding: 2rem 1rem;
    text-align: center;
  }
  
  .section {
    padding: 0.5rem 2rem 1rem 2rem;
  }
  
  .section:hover {
    background-color: #555;
    transition: color 2s ease-in-out, background-color 0.15s ease-in-out;
  }
  
  h1 {
    font-family: "Montserrat", sans-serif;
    font-size: 48px;
  }
  h2, h3 {
    font-family: "Montserrat", sans-serif;
  }
  
  button,
  input[type="submit"] {
    background-color: #87d2d6;
    border: 1px solid transparent;
    border-radius: 0.25rem;
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.5;
    padding: 0.375rem 0.75rem;
    text-align: center;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out,
      border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    vertical-align: middle;
    outline: none;
  }
  
  input[type="text"] {
    line-height: 1.8;
    width: 25%;
  }
  
  input[type="text"]:hover {
    background-color: #f5f5f5;
    transition: color 2s ease-in-out, background-color 0.15s ease-in-out;
  }
  
  .incorrect {
    background-color: #fa5457;
  }
  
  .correct {
    background-color: #5fa55a;
  }