#supercontainer {
position: relative;
box-sizing: border-box;
width: 379px;
background: transparent linear-gradient(180deg,#ffffff00 0%,#ffffff 100%) 0% 0% no-repeat padding-box;
height: 100%;
}
#shadow {
position: absolute;
bottom: 0;
left: 0;
background: transparent linear-gradient(180deg,#ffffff00 0%,#ffffff 100%) 0% 0% no-repeat padding-box;
width: 100%;
height: 150px;
}