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