.background-image1 
{
background: url(../img/fondo.jpg);
background-position: center center; 
background-repeat: no-repeat;
background-attachment:fixed; 
background-size: cover;

 }
 
 
/*
html { 
     background-image: url('../img/fondo.jpg');
     background-repeat: repeat; 
	 
 }

 .body {
     background-color: transparent; 
 }
 
*/
 
 
 /*
 body {
    background-image: url(your image link);
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment:fixed;
    background-size: cover;
    background-color: #464646;
}
 
 */