# Solution Settings
Navigate here via **Solution Details → Solution Settings**.
***
### Main Display Rule
The Main Display Rule sets the default appearance for every location on your map. Think of it as the master style template — individual Location Types and locations can override specific values, but anything not overridden will look exactly as you've set it here.
The editor is divided into sections: **General**, **Icon**, **Label**, **Polygon**, **Extrusion**, **2D Model**, and **3D Model**. Changes you make here instantly become the new default across your entire solution.
For a full walkthrough of all the options, see [Display Rules](/cms/core-concepts/display-rules.md).
***
### Building Highlight
Building Highlight controls the colored outline drawn around your buildings on the map — useful for making buildings stand out from the surrounding area.
| Setting | Description |
| ------------------ | ---------------------------------------------------------------------------------------------------------- |
| **Visibility** | Show or hide the building outline. |
| **Zoom from** | The zoom level at which the outline starts appearing. |
| **Zoom to** | The zoom level at which the outline stops appearing. Check **Max zoom** to keep it visible all the way in. |
| **Stroke color** | The color of the outline. Click the color picker to choose. |
| **Stroke width** | How thick the outline appears, in pixels. |
| **Stroke opacity** | How transparent the outline is, from `0` (invisible) to `1` (fully visible). |
***
### Map Behavior
Map Behavior controls whether locations on your map are clickable by default.
When **Selectable** is turned on, users can tap or click locations to see their details. Turn it off if you want a browsable map where clicking locations does nothing — useful for display screens or kiosk setups where you don't want users navigating into location detail views. This default can still be overridden for individual Types or locations.
***
### 3D Settings
3D Settings let you control how transparent your 3D walls and room shapes appear across the whole solution.
**Wall opacity** controls how see-through the 3D walls are.
**Extrusion opacity** does the same for extruded room shapes.
Both use a scale from `0` (completely transparent) to `1` (fully solid).
> **Note:** 3D features require Mapbox and must be enabled for your solution.
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