html, body, .flexcolumn{
    height: 100%;
    display: flex;
    flex-direction: column;
    margin: 0;
}

.flexcolumn {
	display:flex;
	flex-flow: column nowrap;
}

.flexrow {
	display:flex;
	flex-flow: row nowrap;
}

.fixedchild {
	flex:none;
}

.expandchild {
	flex:auto;
}

#menubar { background-color: darkgray; }
#toolbar { background-color: red; }
#iconpane { background-color: blue; }
#canvascontainer { background-color: yellow; }
#rightpane { background-color: brown; }
#bottompane { background-color: green; }