.parallax{background-image:url(../img/carousel-2.jpg);min-height:550px;background-attachment:fixed;background-position:center;background-repeat:no-repeat;background-size:cover}.parallax-2{background-image:url(../img/ball_screw_bearing.jpg);min-height:550px;background-attachment:fixed;background-position:center;background-repeat:no-repeat;background-size:cover}