#carga {
	background-image:url(imagenes/fondo_pdf.png);    
	position:absolute; 
	left:0; 
	top:0;
	width:100%; 
	z-index:100;
	}

#cargando{
	position: absolute;
	left: 561px;
	top: 148px;
	width: 273px;
	height: 200px;
	margin-top: -100px;
	margin-left: -150px;
	overflow: hidden;
	}
.curved-box-css3
    {
    width: 70%;    
    margin: 0%;
    -webkit-border-radius: 81px 15px 15px 15px
    -moz-border-radius: 81px 15px 15px 15px;
    border-radius: 81px 15px 15px 15px;
    background-color: #9DE84A;
}
.curva-4 {
    width: 50%;    
    margin: 0%;
	-webkit-border-radius: 72px 0px 72px 0px;
    -moz-border-radius: 72px 0px 72px 0px;
	border-radius: 72px 0px 72px 0px;
	background-color: #9DE84A;
	-webkit-box-shadow: 15px 17px 5px 0px rgba(0,0,0,0.75);
-moz-box-shadow: 15px 17px 5px 0px rgba(0,0,0,0.75);
box-shadow: 15px 17px 5px 0px rgba(0,0,0,0.75);
    
}
.cuva-3 {
width: 5%;    
margin: 0%;
border-radius: 120px 120px 120px 120px;
-moz-border-radius: 120px 120px 120px 120px;
-webkit-border-radius: 120px 120px 120px 120px;
background-color: #3cb0fd; 
border: solid #1f628d 3px;
font-family: Arial;
font-size: 14px;
}

.btn {
  cursor:pointer;
  background: #3498db;
  background-image: -webkit-linear-gradient(top, #3498db, #2980b9);
  background-image: -moz-linear-gradient(top, #3498db, #2980b9);
  background-image: -ms-linear-gradient(top, #3498db, #2980b9);
  background-image: -o-linear-gradient(top, #3498db, #2980b9);
  background-image: linear-gradient(to bottom, #3498db, #2980b9);
  -webkit-border-radius: 10;
  -moz-border-radius: 10;
  border-radius: 6px;
  font-family: Arial;
  color: #ffffff;
  font-size: 14px;
  padding: 0px 18px 0px 5px;
  padding-right: inherit;
  border: solid #1f628d 3px;
  text-decoration: none;
}
.btn:hover {
  background: #3cb0fd;
  background-image: -webkit-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -moz-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -ms-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -o-linear-gradient(top, #3cb0fd, #3498db);
  background-image: linear-gradient(to bottom, #3cb0fd, #3498db);
  text-decoration: none;
}