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