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