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