gistfile1.css

.card {
    font-family: Arial;
    font-size: 20px;
    text-align: center;
    color: black;
    background-color: white;
    background-image: url(_brushed_background.png);
    background-repeat:no-repeat;
    background-attachment:fixed;
    background-position:center; 
}

.box {
    background-color: white;
    opacity: 0.98;
    color: #191919;
    border-radius: 6px;
    padding: 10px;
    --box-shadow: 2px 1px 1px #787878;
    font-size: 26px;
}

.box-extra-space {
    padding-top: 0.9em;
}

hr {
    background-color: white;
    border: 0;
    height: 1px;
    box-shadow: 2px 1px 1px #787878;
}

.hidden {
    display: none;
}