body {
    font-family: sans-serif;
    text-align: center;
    background: #212121;
  }
  
  h1 {
    margin: 40px 0 20px;
  }
  
  form {
    display: inline-block;
    width: 500px;
    text-align: left;
    margin: 0 auto;
  }
  
  label {
    display: block;
    margin: 20px 0 10px;
    color: white;
  }
  
  input[type="text"],
  input[type="email"],
  input[type="tel"] {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  input[type="submit"] {
    width: 100%;
    background-color: #26A790;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  input[type="submit"]:hover {
    background-color: #1d806e;
  }
  
  img {
    display: block;
    margin: 40px auto;
  }