The layer’s parameters:
Blending Options>Stroke



Create a new layer and select the standard Brush Tool (B) to paint in white the way indicated below:



Make a mouse click between the brush’s layer and site’s panel, pressing simultaneously the Alt button.



Choose the previous instrument to create a site’s section colored in white.



The layer’s parameters:
Blending Options>Stroke



Create a new layer and select the Brush Tool (B), clicking on the picture’s layer also.



We have to use now the Eyedropper Tool (I) and the brush to make a click on those places the site’s panel would look broken, near the site’s background.