Element block pseudo-element :after generated with z-index auto display block border-radius float none padding 20px border 0px rgba(0,0,0,1) solid height auto font-size 16px width 160px cursor default box-sizing content-box font-weight normal overflow hidden line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition transform background position static