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