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