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