header:before,footer:before{content:"";position:absolute;left:0;top:0;right:0;bottom:0;background-image:linear-gradient(rgba(0,0,0,0.35), rgba(0,0,0,0.35)),url("/assets/cv/background.png");background-size:cover;background-repeat:no-repeat;background-position:50% 50%;opacity:0.2;z-index:-1}