#loading {
   background-image: url("https://www.nongnoochphotocontest.com/photoupload/images/loading/Ripple-1s-200px.svg");
   background-position: center center;
   background-repeat: no-repeat;
   height: 160px;
   width: 160px;
   position: fixed;
   text-align: center;
   z-index: 100000;
}

/* disable background */
.modalOverlay {
   position: fixed;
   width: 100%;
   height: 100%;
   top: 0px;
   left: 0px;
   background-color: rgba(0,0,0,0.1); /* black semi-transparent */
   z-index: 9999;
}

/* jquery validate */
.error {
   color: red !important;
   font-style:italic;
}