/* loader */

.loader {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;
    opacity: 0;
}


    .loader.loaderShow {
        opacity: 1;
    }

    .loader div {
        display: inline-block;
        position: absolute;
        left: 8px;
        width: 16px;
        background: #f4f4f4;
        animation: loader 1.2s cubic-bezier(0, 0.5, 0.5, 1) infinite;
    }

        .loader div:nth-child(1) {
            left: 8px;
            animation-delay: -0.24s;
        }

        .loader div:nth-child(2) {
            left: 32px;
            animation-delay: -0.12s;
        }

        .loader div:nth-child(3) {
            left: 56px;
            animation-delay: 0;
        }

@keyframes loader {
    0% {
        top: 8px;
        height: 64px;
    }

    50%, 100% {
        top: 24px;
        height: 32px;
    }
}