t: 200px;
}
#scroller {
  overflow: scroll;
  width: 300px;
  height: 300px;
}
#container{
  width: 600px;
  height: 600px;
}
#target {
  background-color: #ff0;
}
</style>
<body>
<div id="scroller">
  <div id="container">
    <!--  ROW-1  -->
    <div class="row">
      <div class="box"></div>
      <div class="box"></div>
      <div class="box"></div>
    </div>

    <!--  ROW-2  -->
    <div class="row">
      <div class="box"></div>
      <div class="box" id="target"></div>
      <div class="box"></div>