h1 {color: #fff;
    background-color: rgba(0,0,0,0.5);
    text-align: center;
    width: 600px;
    margin-left: auto;
    margin-right: auto;
    padding: 15px;
    letter-spacing: 2px;
    border: 9px double #fff;
    border-radius: 15px;
    box-shadow: 0px 0px 35px inset #000;
    font-size: 50px;
}