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