You would have to add some css to the styles optional property for your project. It's the kind of thing that you would probably need to explore the layout and existing css of the page in your browser's developer tools to find what changes work best for you.
Changing the values of the following css selectors would change some of the spacing in your screenshot (the values shown below are the default values so you would need to reduce these)
.page-header {
padding-bottom: 9px;
margin-top: 20px;
margin-bottom: 30px;
}
.accordion {
margin-bottom: 20px;
}
If you wanted the changes to only be seen on smaller devices (where the menus move to the top rather than in the left menu) then you can wrap the css in a media max-width selector like this:
@media (max-width: 767px) {
.page-header {
padding-bottom: 9px;
margin-top: 20px;
margin-bottom: 30px;
}
.accordion {
margin-bottom: 20px;
}
}
Hope this helps
Fay