body {
   text-align: center;
   font-family: 'Tangerine';
}


form {
    display: inline-block;
    margin: auto;
    border: solid;
    border-radius:15px;
    padding: 20px;
    border-color: blue;
    background-color: #d4d0d0;
    
}

#preview {
    background-color: green;
}