Dcc_graph does not fit into a single page layout

Hi everyone,

I am creating a single page Dash in Julia. And I manage to get the desired layout, a page of SimpleNavBar and two content rows. Each row occupies 50% of the height. However, when I add a graph component into the rows, the height of the graph overflows its row block. This is a problem as the contents are no longer contained in one page. How can I configure the dcc_graph so that the height and width of figure are inherited from the parent row/col/container? I did try the responsive option, but it did work.

Below are the MWE and a snapshot. I know it is rather an easy problem. Having recently moved from the R/Flexdashboard ecosystem to Julia/Dash, it is still a learning curve for me. Appreciate all advices!

using PlotlyJS, Dash, DashBootstrapComponents
# =============================================================================
# Define the static content
dummylinechart() = plot([
    scatter(y=rand(20), name="Line 1"),
    scatter(y=rand(20), name="Line 2"),
])

# =============================================================================
# Define the app structure and connectivity
app = dash(external_stylesheets=[dbc_themes.BOOTSTRAP]);
app.title = "dash_template"

app.layout = html_div([
    dcc_location(id="url"),
    # Navigation bar layout
    dbc_navbarsimple(
        children = [
            dbc_navitem(dbc_navlink("Page", href = "/page1")),
        ],
        brand = "Template",
        brand_href = "/",
        color = "primary",
        dark = true,
        links_left = false,
        class_name = "py-0",
    ),
    # Content block layout
    dbc_container(
        children=[
            # First row
            dbc_row(
                dbc_col(
                    dcc_graph(
                        figure=dummylinechart(),
                        config=Dict("responsive" => true),
                    ),
                    style=Dict(
                        "height" => "100%",
                        "background-color" => "#5bc0de"
                    ),
                ), 
                class_name="h-50",
            ),
            # Second row
            dbc_row(
                dbc_col(
                    html_p("block2"),
                    style=Dict(
                        "height" => "100%",
                        "background-color" => "#5cb85c"
                    ),
                ),
                class_name="h-50",
            ),
        ],
        id="page-content",
        style=Dict(
            "height" => "95vh",
            "background-color" => "#f9f9f9",
            "padding" => "1rem"
        ),
        fluid=true,
    )
]);