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