Step 11: Change the colors of the vertical separator

Select the separator on the page. Right click on the mouse button to open the context menu. Select "Styles" from the menu.

 

Select style "line" and click Edit button to edit the style in the CSS Style Editor.

Click on the "Background tab". Set the color to #333333.

Click on the "Borders tab". Set the left border color to #000000.

Click OK twice to apply the style and return to the page.