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