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