.parallax-block{background-attachment:fixed;position:relative}.parallax-block:before{background:linear-gradient(0deg,rgba(25,25,25,.4),rgba(25,25,25,.4));bottom:0;content:"";left:0;position:absolute;right:0;top:0;z-index:1}.parallax-block .row-fluid{text-align:center}.parallax-block .block-title{line-height:1.5;margin-bottom:32px;margin-top:0;position:relative;z-index:2}.parallax-block .button{position:relative;z-index:2}