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