.boxWithShadow {
    /*    border: 2px solid;*/
    min-height: 50%;
    min-width: 50%;
    max-width: 100%;
    max-height: 100%;
    position: fixed;
    top: 50%;
    left: 50%;
    background-color: whitesmoke;
    transform: translate(-50%, -50%);
    -webkit-box-shadow: -5px 30px 27px 3px #475c5b;
    -webkit-box-shadow: -5px 30px 27px 3px rgba(71, 92, 91, 0.66);
    -moz-box-shadow: -5px 30px 27px 3px #475c5b;
    -moz-box-shadow: -5px 30px 27px 3px rgba(71, 92, 91, 0.66);
    box-shadow: -5px 30px 27px 3px #475c5b;
    box-shadow: -5px 30px 27px 3px rgba(71, 92, 91, 0.66);
}