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