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