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