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