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