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