.gpseasonal {
    z-index: 1000;
    transform: skew(-20deg);
    background-repeat: no-repeat;
    background-size: 100%;
    opacity: .8;
}
.gpseasonal-1 { background-image: url(img/leaf1.svg); }
.gpseasonal-2 { background-image: url(img/leaf2.svg); }
.gpseasonal-3 { background-image: url(img/leaf3.svg); }