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