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