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