Element block pseudo-element :before generated with border 4px rgba(0,0,0,1) solid line-height 1 float none padding 20px text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto transition overflow hidden margin 0px position static font-weight normal cursor default transform width 160px font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) height auto background border-radius box-sizing content-box display block