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