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