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