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