Check the “Nodes” layer to make it visible.
To make cosmetic changes to the junctions, right-click on a junction and select “Layer Properties” from the context menu.
In the “Layer Properties” window, click on the “Categories” tab and select “Continuous Values”.
Choose “Invert El.” for the “Field” option.
Press the “Add Values” button and then click “OK”.
Optionally, you can adjust the “Mode”, “Classes”, “Start Color”, and “End Color” settings according to your preferences.
Press the “Apply” button to apply the changes to the junction’s layer.
Note: You can save your customized style for future projects by right-clicking on the layer and selecting “Save Style”. Choose a location to save the customized style file. In a new project, you can load the saved style file, and it will be automatically applied to the corresponding layer.