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