body {
}




#imgCargando{
            display:none;
            background-color:gray;
            z-index:999999;
            position:absolute;
            left:0;
            top:0;
            width:100%;
            height:100%;
            text-align:center;
            padding-top:300px;
            filter:alpha(opacity=75);
            -khtml-opacity:0.75;
            -moz-opacity:0.75;
            opacity:0.75;
        }


#loader {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: 150px;
  height: 150px;
  margin: -75px 0 0 -75px;
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid #3498db;
  width: 120px;
  height: 120px;
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s linear infinite;
}