#spinner {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(222, 226, 230, 0.4);
    z-index: 9998;
    display: none;
    text-align: center;
}

#spinner img {
    animation: rotation 2s infinite linear;
    -webkit-animation: rotation 2s infinite linear;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 62px;
    height: 46px;
    margin-top: -23px; /* Half the height */
    margin-left: -31px; /* Half the width */
    z-index: 9999;
    
}

@-webkit-keyframes rotation {
    from {
        transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
    }

    to {
        transform: rotate(359deg);
        -webkit-transform: rotate(359deg);
    }
}