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