body {
    padding: 0;
    margin: 0;
}
section {
    height: 100%;
    overflow: hidden;
    padding: 0 3%;
    position: absolute;
    width: 94%;
}

.logo {
    width: 150px;
    height: 150px;
    position: absolute;
    z-index: 100;
    top: 40px;
    left: 40px;
}
.group-skew {
    overflow: hidden;
    transform: skew(-15deg);
    max-width: 1340px;
    margin: 0 auto;
    padding-right: 120px;
    height: 100%;
}
.skew {
    background-color: #FFFFFF;
    width: 25%;
    min-height: 100%;
    float: left;
    box-shadow: -30px 0px 80px 0px;
    position: relative;
    overflow: hidden;
}
.pos1{ z-index: 50; }
.pos2{ z-index: 40; }
.pos3{ z-index: 30; }
.pos4{ z-index: 20; }

.pos1 .layer-back{ background-image: url('../img/big-background.jpg'); }
.pos2 .layer-back{ background-image: url('../img/maxprotein-background.jpg'); }
.pos3 .layer-back{ background-image: url('../img/maxproteinessentials-background.jpg'); }
.pos4 .layer-back{ background-image: url('../img/harder-background.jpg'); }

.desskew {
    width: 200%;
    height: 100%;
    transform: skew(15deg);
    position: absolute;
    left: -50%;
}

.layer-logo {
    width: 200px;
    margin: 0 auto;
    opacity: 1;
    position: absolute;
    top: calc( 50% - 97px );
    left: calc( 50% - 100px );
    transition: all .3s ease-in;
    height: 194px;
}
.layer-logo img {
    width: 200px;
}
.layer-back {
    width: 100%;
    min-height: 100%;
    position: absolute;
    top: 0;
    z-index: -1;
    opacity: 0;
    background-size: cover;
    transition: all .3s ease-in;
}

/*.desskew:hover > .layer-logo { opacity: 0; }*/
.desskew:hover > .layer-back { opacity: 1; }