.loader {
    position: absolute;
    background-color: #e5e5e5;
    opacity: 0.6;
    width: 100%;
    height: 100%;
    vertical-align: middle;
    text-align: center;
    font-size: 18px;
    z-index: 100;
}

.loaderMiddle {
    border: 16px solid #f3f3f3; /* Light grey */
    border-top: 16px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 120px;
    margin: auto;
    margin-top: 10%;
    height: 120px;
    animation: spin 2s linear infinite;
}
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}