html {
    font-size: 46px;
}

#test-element {
    margin: 15px auto;
    padding: 10px;
    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, .05), 0 1px 4px 0 rgba(0, 0, 0, .08), 0 3px 1px -2px rgba(0, 0, 0, .2);
}
.border {
    border: 15px solid #fff;
}
.fixed-footer {
    position: fixed;
    left: 0;
    bottom: 0;
}