.shadow-out {
    -webkit-filter: drop-shadow(3px 3px 2px rgba(0, 0, 0, .7));
    filter: drop-shadow(3px 3px 2px rgba(0, 0, 0, .7));
    /* Similar syntax to box-shadow */
}

/* .shadow-in {
    -webkit-box-shadow: 0px 0px 108px 7px #000000;
    -moz-box-shadow: 0px 0px 108px 7px #000000;
    -ms-box-shadow: 0px 0px 108px 7px #000000;
    -o-box-shadow: 0px 0px 108px 7px #000000;
    box-shadow: 0px 0px 108px 7px #000000;
} */

.shadow-pressed {
    -webkit-filter: drop-shadow(5px 5px 5px rgba(0, 0, 0, 0.7));
    filter: drop-shadow(5px 5px 5px rgba(0, 0, 0, 0.7));
    /* Similar syntax to box-shadow */
}