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