.loader {
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid #3498db;
  width: 100px;
  height: 100px;
  -webkit-animation: spin 2s linear infinite; /* Safari */
  animation: spin 2s linear infinite;
	  margin: auto;


}

/* Safari */
@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
	.center {
  margin: auto;
  width: 40%;
  padding: 10px;
}/* CSS Document */

  .center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}
.sombratexto {
   text-shadow: 3px 3px 2px #696;
   color: #666;
}
.centrarTexto{
    text-align: center
}
.sinMargen{
  margin-top: 0px;
  margin-bottom: 0px;
}
.outer {
  display: table;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
}

.middle {
  display: table-cell;
  vertical-align: middle;
}

.inner {
  margin-left: auto;
  margin-right: auto;
  width: 400px;
  /*whatever width you want*/
} 

.footer {
   /* position: fixed; */
  
   bottom: 0;
   width: 100%;
   text-align: center;
}

.loader2 {
  display: none;
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: url("images/aguarde.gif") 50% 50% no-repeat rgb(249,249,249);
    opacity: .9;
}