h1 {
    background-color: rgba(0,0,0,0.5);
    color: #fff;
    text-align: center;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    border: 9px double;
    border-radius: 10px;
    box-shadow: 0px 0px 30px inset #000;
}