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