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