.pos-relative {
    position: relative;
}

.pos-absolute {
    position:absolute!important;
}

.loop-lightblue-header {
    position: absolute;
    top: 0;
}

.img-cover {
    top:0;left:0;right:0;bottom:0;
}

.loop-1 {
    top: -50px;
}

.z-1 {
    z-index: 1;
}

.z-2 {
    z-index: 2;
}

.z-3 {
    z-index: 3;
}