*,*:after, *:before{
   margin: 0;
   padding: 0;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
   box-sizing: border-box;
}
#contenedor_carga{
   background-color: rgba(255, 255, 255, 0.9);
   height: 100%;
   width: 100%;
   position: fixed;
  -webkit-transition: all 1s ease;
  -o-transition: all 1s ease;
   transition: all 1s ease;
   z-index: 10000;
}
#carga{
  border: 5px solid #ccc;
  border-top-color: #000000;
  border-top-style: solid;
  height: 60px;
  width: 60px;
  border-radius: 100%;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  -webkit-animation: carga 0.5s linear infinite;
  -o-animation: carga 0.5s linear infinite;
  animation: carga 0.5s linear infinite;
}
@keyframes carga {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
/* IR ARRIBA */
.ir-arriba {
	display:none;
	padding: 7px 12px;
	font-size:20px;
	color: white;
	cursor:pointer;
	position: fixed;
	bottom:20px;
	right:20px;
  z-index: 10000000;
}
 /* FUENTE */