<goldenlayout id="gl" vflex="1" hflex="1">
<attribute name="areas">
    A B
</attribute>
<goldenpanel area="A" title="Panel Blue">
    <div vflex="1" hflex="1" style="background-color:blue !important">
        <label value="Lorem ipsum"/>
    </div>
</goldenpanel>
<goldenpanel area="B" title="Panel Red">
    <div vflex="1" hflex="1" style="background-color:red !important">
        <label value="Lorem ipsum"/>
    </div>
</goldenpanel>
</goldenlayout>