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