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