.loading {
    z-index: 9999;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, .7);
    display: none;
}

.loader {
    border: 10px solid #f8f9fc;
    border-top: 10px solid #36b9cc;
    border-bottom: 10px solid #36b9cc;
    position: absolute;
    top: 40%;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    -webkit-animation: spin 1s linear infinite;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}