@keyframes skeleton-animation {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.skeleton {
    background-color: #cacaca;
    background-image: linear-gradient( 90deg, #cacaca, #d5d5d5, #cacaca);
    background-size: 200px 100%;
    background-repeat: no-repeat;
    border-radius: 4px;
    display: inline-block;
    line-height: 1;
    width: 100%;
    animation: skeleton-animation 2.5s ease-in-out infinite;
}