body {
    font-family: Arial, Helvetica, sans-serif;
  }
  
  .mobile-container {
    max-width: 800px;
    margin: auto;
    background-color: #777;
    min-height: 100vh;
    color: black;
    border-radius: 10px;
  }
  
  .topnav {
    overflow: hidden;
    background-color: #333;
    position: relative;
  }
  
  .topnav #myLinks {
    display: none;
  }
  
  .topnav a {
    color: white;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    display: block;
  }
  
  .topnav a.icon {
    background: black;
    display: block;
    position: absolute;
    right: 0;
    top: 0;
  }
  
  .topnav a:hover {
    background-color: #ddd;
    color: black;
  }
  
  .active {
    background-color: #04AA6D;
    color: white;
  }
  
  /* Style inputs, select elements and textareas */
  input[type=text], input[type=password], input[type=checkbox], input[type=number], select, textarea{
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    resize: vertical;
  }
  
  /* Style the label to display next to the inputs */
  label {
    padding: 12px 12px 12px 0;
    display: inline-block;
    color: #333;
  }
  
  /* Style the submit button */
  input[type=submit], button {
    background-color: #04AA6D;
    color: white;
    padding: 6px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    float: right;
    margin: 3px 0px 3px 3px;
  }
  
  /* Style the container */
  .container {
    border-radius: 5px;
    background-color: #f2f2f2;
    padding: 20px;
  }
  
  /* Floating column for labels: 10% width */
  .col-10 {
    float: left;
    width: 10%;
    margin: 3px 0px;
  }
  
  /* Floating column for labels: 25% width */
  .col-25 {
    float: left;
    width: 25%;
    margin: 3px 0px;
  }
  
  /* Floating column for labels: 25% width */
  .col-40 {
    float: left;
    width: 40%;
    margin: 3px 0px;
  }
  
  /* Floating column for inputs: 75% width */
  .col-75 {
    float: left;
    width: 75%;
    margin: 3px 0px;
  }
  
  /* Clear floats after the columns */
  .row:after {
    content: "";
    display: table;
    clear: both;
  }
  
  /* Responsive layout - when the screen is less than 600px wide, make the two columns stack on top of each other instead of next to each other */
  @media screen and (max-width: 600px) {
    .col-10, .col-25, .col-40, .col-75, input[type=submit] {
      width: 100%;
      margin-top: 6px;
    }
  }