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