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