title: Cannot center image gallery inside main div
body: <p>I am gettin crazy trying to center this image gallery within the main div; it seems to be fine but when using screen resolution of 1350px you can actually see that there is an undesired margin to the right that creates a blank column on the right of the page and force display a horizontal scrollbar on the browser... I tried all but cannot make it work :( any idea?</p>
  
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