.card-hotel-loader {
    height: 100px;
    margin-bottom: 20px;
    -webkit-animation: cardLoader 5s infinite;
    animation: cardLoader 5s infinite;
    background: #eeeeee;
}

@keyframes cardLoader {
    0% {
        background-color: #eeeeee;
    }
    50% {
        background-color: #cccccc;
    }
    100% {
        background-color: #eeeeee;
    }
}