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