.composite_ChartPanel>.body {
    margin: 0;
    padding: 0;
    display: flex;
    flex-flow: row;
}

.composite_ChartPanel>.body>article {
    flex: 3 1 60%;
    order: 2;
}

.composite_ChartPanel>.body>nav {
    flex: 1 6 20%;
    order: 1;
}

.composite_ChartPanel>.body>aside {
    margin-left: 4px;
    flex: 1 6 20%;
    order: 3;
}

header,
footer {
    display: block;
}