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