#feedback-form {
    width: 280px;
    background-color: #fcfcfc;
    padding: 20px 50px 40px;
    box-shadow: 1px 4px 10px 1px #aaa;
    font-family: sans-serif;
  }
  
  #feedback-form * {
      box-sizing: border-box;
  }
  
  #feedback-form h2{
    text-align: center;
    margin-bottom: 30px;
  }
  
  #feedback-form input {
    margin-bottom: 15px;
  }
  
  #feedback-form input[type=text] {
    display: block;
    height: 32px;
    padding: 6px 16px;
    width: 100%;
    border: none;
    background-color: #f3f3f3;
  }
  
  #feedback-form input[type=email] {
    display: block;
    height: 32px;
    padding: 6px 16px;
    width: 100%;
    border: none;
    background-color: #f3f3f3;
  }
  
  #feedback-form label {
    color: #777;
    font-size: 0.8em;
  }
  
  #feedback-form input:not(:checked) + #feedback-phone {
    height: 0;
    padding-top: 0;
    padding-bottom: 0;
  }
  
  #feedback-form #feedback-phone {
    transition: .3s;
  }
  
  #feedback-form button[type=submit] {
    display: block;
    margin: 20px auto 0;
    width: 150px;
    height: 40px;
    border-radius: 25px;
    border: none;
    color: #eee;
    font-weight: 700;
    box-shadow: 1px 4px 10px 1px #aaa;
    
    background: #207cca; /* Old browsers */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#207cca', endColorstr='#9f58a3',GradientType=1 ); /* IE6-9 */
  }