Element block pseudo-class :active generated with box-sizing content-box position static width 160px box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px font-weight normal border 2px rgba(0,0,0,1) solid border-radius display block overflow hidden z-index auto transition cursor default background height auto transform text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none font-size 16px padding 20px line-height 1