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