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