 { object-position: -7%  50% }
      .op_x13  { object-position: 13%  50% }
      .op_x23  { object-position: 23%  50% }
      .op_x50  { object-position: 50%  50% }
      .op_x75  { object-position: 75%  50% }
      .op_x88  { object-position: 88%  50% }
      .op_x111 { object-position: 111% 50% }

    </style>
  </head>
  <body>
    <embed src="support/colors-8x16.png" class="op_x-7">
    <embed src="support/colors-8x16.png" class="op_x13">
    <embed src="support/colors-8x16.png" class="op_x23">
    <em