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