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