.list-3 {
    height: 650px;
    width: auto;
    background-color: black;
    border-width: 8px 0px 0px 0px;
    border-style: solid solid solid solid;
    border-color: #ff496c #ff496c #ff496c #ff496c;
}

@media screen and (max-width: 920px) {
    .list-3 {
        height: 1700px;
    }
}