.hidden {
    display: none;
	visibility: hidden;
}

.wait {
    top : 0px;
    left: 0px;
    height : 100%;
    width : 100%;
    background-color : white;
    opacity : 0.5;
    position: fixed;
    text-align: center;
    z-index: 999;
}

.loader {
	position: relative;
   top: 50%;
   width: 32px;

   margin-left: auto;
   margin-right: auto;
   z-index: 1000;
}