section img {
    height: 1080px;
    width: 50%;
    float: left;
    margin: 0 5% 0 0;
}

section div {
    float: left;
    height: 100%;
    width: 25%;
}

/*RESPONSIVE*/
@media only screen and (max-width: 600px) {
   section img {
    clear: both;
    margin: 0;
    height: 50%;
    width: 100%;
}

section div {
    clear: both;
    height: 100%;
    width: 100%;
} 
}