Element block pseudo-element :before generated with border 0px rgba(255,255,255,1) solid transform padding 20px font-size 16px border-radius box-shadow 1px 1px 1px rgba(0,0,0,0.3) height auto position static transition overflow hidden background font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default float none box-sizing content-box line-height 1 z-index auto width 160px margin 0px display block