.parallax-wrapper{background-repeat:no-repeat;background-position:center top;background-size:cover;width:100%;padding:80px 0;position:relative;background-attachment:fixed;overflow:hidden}.parallax-wrapper:before{content:'';position:absolute;top:0;right:0;bottom:0;left:0;background-color:rgba(0,0,0,.3)}.parallax-wrapper.scroll{background-attachment:scroll}