.list {
    margin: auto;
    width: 40%;
    padding-left: 5%;
    top: -60px;
    position: relative;
    float: left;
}
.icon:hover {
    opacity: 1.0;
}
#icons {
    top: 20px;
    position: absolute;
}
.icon {
    width: 50px;
    height: 50px;
    opacity: 0.6;
    position: relative;
}