# Gantt: Grid settings
We'll look at the grid customizations available in Analytics+.
#### 1. Header
Set a custom background color for the header. You can also set the font style, color, and size.
Header customizations
#### 2. Grid line
Set the color and thickness of the gridlines.
Customizing grid lines
Set the thickness to 0 if you don't want gridlines in your Gantt.
Gantt without gridlines
#### 3. Top node
Set the font style, color, and size for the parent-level headers.
Parent header customization
#### 4. Child node
Set a custom font style, color, and size for the child-level headers.
Customize child headers
#### 5. Collapse all nodes
When you have a multi-level breakdown, you can specify up to which level the hierarchy should be expanded. If you have only 2 levels, only the parent node will be displayed when the **Collapse all nodes** toggle is turned on.
