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