body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: black;
  }
  
  * {
    box-sizing: border-box;
  }
  
  /* Add padding to containers */
  .container {
    padding: 16px;
    background-color: white;
  }
  
  /* Full-width input fields */
  input[type=text], input[type=password] {
    width: 100%;
    padding: 15px;
    margin: 5px 0 22px 0;
    display: inline-block;
    border: none;
    background: #f1f1f1;
  }
  
  input[type=text]:focus, input[type=password]:focus {
    background-color: #ddd;
    outline: none;
  }
  
  /* Overwrite default styles of hr */
  hr {
    border: 1px solid #f1f1f1;
    margin-bottom: 25px;
  }
  
  /* Set a style for the submit button */
  .registerbtn {
    background-color: #04AA6D;
    color: white;
    padding: 16px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: 100%;
    opacity: 0.9;
  }
  
  .registerbtn:hover {
    opacity: 1;
  }
  
  /* Add a blue text color to links */
  a {
    color: dodgerblue;
  }
  
  /* Set a grey background color and center the text of the "sign in" section */
  .signin {
    background-color: #f1f1f1;
    text-align: center;
  }
  .form-inline {
    display: flex;
    flex-flow: row wrap;
    align-items: center;
  }
  
  /* Add some margins for each label */
  .form-inline label {
    margin: 5px 10px 5px 0;
  }
  
  /* Style the input fields */
  .form-inline input {
    vertical-align: middle;
    margin: 5px 10px 5px 0;
    padding: 10px;
    background-color: #fff;
    border: 1px solid #ddd;
  }
  
  /* Style the submit button */
  .form-inline button {
    padding: 10px 20px;
    background-color: dodgerblue;
    border: 1px solid #ddd;
    color: white;
  }
  
  .form-inline button:hover {
    background-color: royalblue;
  }
  
  /* Add responsiveness - display the form controls vertically instead of horizontally on screens that are less than 800px wide */
  @media (max-width: 800px) {
    .form-inline input {
      margin: 10px 0;
    }
  
    .form-inline {
      flex-direction: column;
      align-items: stretch;
    }
  }