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