s="container">
    <div style="width: 30px; float:left; height: 10px;"></div>
    <div class="grid">
        <div class="item1 sticky justifySelfStart"  data-offset-x="10"  data-offset-y="0"></div>
        <div class="item2 sticky justifySelfCenter" data-offset-x="140" data-offset-y="75"></div>
        <div class="item3 sticky justifySelfEnd"    data-offset-x="280" data-offset-y="150"></div>
        <div class="item4"></div>
    </div>
    <div style="width: 30px; float:left; height: 10px;"></div>
    <div 