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