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