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