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