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