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