StackAt allows developers to fine tune the width of split elements, the width they stack at, and the stack order
<div class="stackAt" stackAt="520">
    <div class="splitEl" style="width:200px; float:left">
        <h2>Left</h2>
    </div>
    <div class="splitEl" style="margin-left:200px">
        <h2>Right</h2>
    </div>
</div>
<div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" remainder-width="100%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="1" fixed-width="200">
        <h2>Left</h2>
    </div>
</div>
<div class="stackAt" stackAt="520">
    <div class="splitEl" remainder-width="100%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" fixed-width="200">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" style="width:200px; float:right">
        <h2>Right</h2>
    </div>
    <div class="splitEl" style="margin-left:200px">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" style="float:left;width:40%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" style="float:left;width:60%">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" style="float:right;width:40%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" style="float:right;width:60%">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" style="float:left;width:33.33%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" style="float:left;width:33.33%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" style="float:left;width:33.33%">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" style="float:left;width:20%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" style="float:right;width:30%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" style="margin-left:20%;margin-right:30%;width:50%">
        <h2>Center</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" remainder-width="40%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="25%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="3" remainder-width="35%">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" remainder-width="40%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="3" remainder-width="25%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="35%">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" style="float:right;width:33.33%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" style="float:right;width:33.33%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" style="float:right;width:33.33%">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" style="float:right;width:30%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" style="float:left;width:20%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" style="margin-left:20%;margin-right:30%;width:50%">
        <h2>Center</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" fixed-width="100">
        <h2>Left</h2>
    </div>
    <div class="splitEl" remainder-width="100%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" fixed-width="200">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" style="float:left;width:100px">
        <h2>Left</h2>
    </div>
    <div class="splitEl" style="float:right;width:200px">
        <h2>Right</h2>
    </div>
    <div class="splitEl" style="margin-left:100px;margin-right:200px">
        <h2>Center</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" remainder-width="100%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="1" fixed-width="100">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" remainder-width="100%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="1" fixed-width="100">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="2" remainder-width="100%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="1" fixed-width="100">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" style="float:right;width:200px">
        <h2>Right</h2>
    </div>
    <div class="splitEl" style="float:left;width:100px">
        <h2>Left</h2>
    </div>
    <div class="splitEl" style="margin-left:100px;margin-right:200px">
        <h2>Center</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" fixed-width="200">
        <h2>Left</h2>
    </div>
    <div class="splitEl" remainder-width="60%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" remainder-width="40%">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="1" fixed-width="200">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="3" remainder-width="40%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="2" remainder-width="60%">
        <h2>Center</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" remainder-width="60%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="1" fixed-width="200">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="3" remainder-width="40%">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" remainder-width="60%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="2" remainder-width="60%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="2" remainder-width="60%">
        <h2>Center</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" remainder-width="40%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" remainder-width="60%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" fixed-width="200">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="2" remainder-width="60%">
        <h2>Center</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" remainder-width="60%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" remainder-width="60%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="2" remainder-width="60%">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="3" fixed-width="200">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="2" remainder-width="60%">
        <h2>Center</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" remainder-width="40%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" fixed-width="200">
        <h2>Center</h2>
    </div>
    <div class="splitEl" remainder-width="60%">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="3" remainder-width="60%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="2" fixed-width="200">
        <h2>Center</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" fixed-width="200">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="3" remainder-width="60%">
        <h2>Right</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="2" fixed-width="200">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="3" remainder-width="60%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="3" remainder-width="60%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="2" fixed-width="200">
        <h2>Center</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
</div><div class="stackAt" stackAt="520">
    <div class="splitEl" column-index="3" remainder-width="60%">
        <h2>Right</h2>
    </div>
    <div class="splitEl" column-index="1" remainder-width="40%">
        <h2>Left</h2>
    </div>
    <div class="splitEl" column-index="2" fixed-width="200">
        <h2>Center</h2>
    </div>
</div>