/* SKELETON */
.skeleton {
    position: relative;
}
.skeleton::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    background: linear-gradient(90deg, #eee, #f9f9f9, #eee);
    background-size: 200%;
    animation: skeleton 1s infinite reverse;
}
@keyframes skeleton {
    0% {
        background-position: -100% 0;
    }
    100% {
        background-position: 100% 0;
    }
}
/* SKELETON */