Element block pseudo-class :active generated with transform font-weight normal float left box-sizing content-box cursor default z-index auto height auto border-radius display block transition border 0px rgba(0,0,0,1) solid background width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 20px padding 20px line-height 1 font-size 16px position static overflow hidden