/* Start by setting display:none to make this hidden.
   Then we position it in relation to the viewport window
   with position:fixed. Width, height, top and left speak
   for themselves. Background we set to 80% white with
   our animation centered, and no-repeating */
/*.modal {
    position:   absolute;
    z-index:    1000;
    top:        0;
    left:       0;
    height:     100%;
    width:      100%;
    background: rgba( 255, 255, 255, .8 ) 
                url('http://i.stack.imgur.com/FhHRx.gif') 
                50% 50% 
                no-repeat;
    display: block;
}*/

.loadingAbsolute{
    position: fixed!important;
}

.loadingoverlay {
    width: 100%;
    height: 100%;
    position: absolute; /*AD ; change absolute to fixed : always centered when scroll*/
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(0,0,0,.5);
    z-index:1500;
}
.loading-wheel {
    width: 20px;
    height: 20px;
    margin-top: -40px;
    margin-left: -40px;
    
    position: absolute;
    top: 50%;
    left: 50%;
    
    border-width: 30px;
    border-radius: 50%;
    -webkit-animation: spin 1s linear infinite;
}
.style-2 .loading-wheel {
    border-style: double;
    border-color: #ccc transparent;
}
@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0);
    }
    100% {
        -webkit-transform: rotate(-360deg);
    }
}