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