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