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