Exclusive to Firefox: The left and right arrows will shift the entire page

I've encountered a strange issue with my website that only seems to be occurring in Firefox. When using the mouse scroll, I am able to move up and down as expected. However, when using the arrow keys, the entire page shifts to the right in approximately 40px increments, leaving a white space on the right edge of the browser window. The page can be moved back to the left to correct its position, but it cannot be shifted further to create a white block on the left side.

This unexpected behavior is happening across all pages of my site, including those with absolute positioning. It is specifically isolated to Firefox (version 49.0.1).

If anyone has any insights or suggestions for resolving this issue, I would greatly appreciate it. Thank you.

htmlcssfirefoxweb

Answer №1

After some experimentation, I have finally discovered the solution to my problem. Originally, I had applied an overflow-x: hidden style to the body element in order to manage any horizontal overflow. As it turns out, this approach did not function properly in Firefox compared to other web browsers. In Firefox, the ability to scroll horizontally using arrow keys was compromised.

To effectively tackle this issue, I recommend identifying the problematic element first. As mentioned by @JordanBarber earlier, you can use * { border: 1px solid red;} in your CSS to visually pinpoint any potential overflowing elements. Additionally, you may want to explore Chris Coyier's suggestion discussed here

https://css-tricks.com/findingfixing-unintended-body-overflow/

In my case, neither of these methods helped identify the culprit. Ultimately, I resolved the issue by relocating the overflow: hidden property from the body element to the .header element. Although I will continue investigating the elements within the header section to understand the root cause of the problem, transferring the overflow-x: hidden styling from body to .header successfully resolved my initial concern.

Answer №2

To troubleshoot overflow issues on your webpage, first open the chrome dev tools by pressing CMD + Shift + C or use the Firefox inspector. Ensure that you are in the 'Elements' tab and select the 'styles' tab in the CSS window on the right side. Click on the small 'plus' symbol to create a new style declaration.

* {
      border: 1px solid red;
   }

This newly added CSS rule will give a red border of 1px to all elements on your page. Keep the dev tools open and navigate through your page using the arrows. The element with the red border extending beyond the viewable area is likely causing the overflow issue. Use the 'elements' tab to identify the problematic element and make necessary adjustments to its CSS properties.

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