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