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