.direction a.right,
.direction a.left {
    position: absolute;
    top: 40%;
    color: #fff;
}
.direction a.left {
    left: 10px;
}

.direction a.right {
    right: 10px;
}

.direction a.right span i,
.direction a.left span i {
    font-size: 3em;
    background-color: rgba(0, 0, 0, 0.5);
}