Story maps: improve the appearence of dashboard (and content) and legend panels in low resolution environment

[antobenve]

On small displays or low resolution cases, the dashboard and the legend panels can get demesured compared to the other parts of the story map.
Example of story map embedded in our website with promoting aim:

Could this be improved in any way?

If the panels cannot be made reactive to resolution, can we opt for a simpler solution that impede having panels covering most of the space?
For instance, in case of low resolution, the dashboard and the legend panels stay closed by default unless the user opens them manually.

Tobediscussed.