body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: rgb(236, 236, 236);
  }
  
  h3 {
    margin-top: 30px;
    font-size: 1.4rem;
    color: rgb(40, 65, 90);
  }
  
  form {
    padding: 15px;
    max-width: 600px;
    margin: 0 auto;
    background-color: white;
    padding-top: 30px;
  }
  
  .btn {
    margin-top: 30px;
    margin-bottom: 50px;
  }
  
  .header {
    padding: 15px;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background-color: dodgerblue;
    background-image: url(./bg.jpg);
    background-position: center;
    background-size: cover;
    box-shadow: inset 0 0 0 2000px rgba(6, 25, 87, 0.74);
    padding-top: 30px;
    padding-bottom: 30px;
    z-index: 999;
    color: white;
  }
  
  .header .title {
    font-size: 1.7rem;
    font-weight: 600;
  }