@media screen and (min-width: 900px){
.advkalDay {width:25%;height:20%;}
}

@media screen and (min-width: 768px) {
.advkalDayShow {
    position: absolute;
    top: 10px;
    left: 200px;
    width: calc(100% - 400px);
    height: auto;
    margin: 0 auto;
    z-index: 3000;
    background: #fff;
    -webkit-box-shadow: 0px 0px 29px 8px rgba(255,255,255,1);
    -moz-box-shadow: 0px 0px 29px 8px rgba(255,255,255,1);
    box-shadow: 0px 0px 20px 8px rgba(255,255,255,1);
}
}