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

    to {
        -webkit-transform: rotate(360deg);
    }
}

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

    to {
        -webkit-transform: rotate(360deg);
    }
}

#loadIcon {
    margin: 20% auto;
    height: 120px;
    width: 120px;
    position: relative;
}

    #loadIcon div {
        position: absolute;
    }

        #loadIcon div:first-child {
            height: 120px;
            width: 120px;
            border-radius: 60px;
            border-top: solid 10px #347AAA;
            animation: spin 2s infinite;
            -webkit-animation: spin 2s infinite;
            animation-timing-function: linear;
            -webkit-animation-timing-function: linear;
        }

        #loadIcon div:nth-child(2) {
            height: 90px;
            width: 90px;
            border-radius: 45px;
            border-top: solid 10px #40ADCF;
            top: 15px;
            left: 15px;
            animation: spin 1.5s infinite;
            -webkit-animation: spin 1.5s infinite;
            animation-timing-function: linear;
            -webkit-animation-timing-function: linear;
        }

        #loadIcon div:nth-child(3) {
            height: 60px;
            width: 60px;
            border-radius: 30px;
            border-top: solid 10px #347AAA;
            top: 30px;
            left: 30px;
            animation: spin 1s infinite;
            -webkit-animation: spin 1s infinite;
            animation-timing-function: linear;
            -webkit-animation-timing-function: linear;
        }

        #loadIcon div:nth-child(4) {
            height: 30px;
            width: 30px;
            border-radius: 15px;
            border-top: solid 10px #40ADCF;
            top: 45px;
            left: 45px;
            animation: spin 0.5s infinite;
            -webkit-animation: spin 0.5s infinite;
            animation-timing-function: linear;
            -webkit-animation-timing-function: linear;
        }

.busy-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 101;
    background-color: rgba(255,255,255,0.5); /*dim the background*/
}