.header{background-image:url(/projects/ckv/5ad56692f101d6ba7b4b15357d4854fdea10dca4/steps.jpg);position:relative}.header::after{content:"";position:absolute;left:0;bottom:-2px;right:0;height:20px;width:100%;background-image:linear-gradient(to left,#ffff,#f90)}