messages.css

* {
    box-sizing: border-box;
  }
  
  input[type=text], select, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    resize: vertical;
  }
  
  label {
    padding: 12px 12px 12px 0;
  }
  
  input[type=submit] {
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    float: right;
  }
  
  input[type=submit]:hover {
    background-color: #45a049;
  }
  
  .container {
    border-radius: 5px;
    background-color: #f2f2f2;
    padding: 20px;
  }
  
  .col-25 {
    float: left;
    width: 25%;
    margin-top: 6px;
  }
  
  .col-75 {
    float: left;
    width: 75%;
    margin-top: 6px;
  }
  
  
  .row:after {
    content: "";
    display: table;
    clear: both;
  }
  
  @media screen and (max-width: 600px) {
    .col-25, .col-75, input[type=submit] {
      width: 100%;
      margin-top: 0;
    }
  }