body {
    background: #fff;
}
body h1{
    text-align: center;
}
form{
    width: 400px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border: 1px solid #808080;
    border-radius: 5px 5px 5px 5px;
}
label{
    background: #000;
    color: #fff;
    border-radius: 5px 5px 0 0;
    padding: 3px 5px;
    display: inline-block;
}