right side bar alignment

You might want to start by validating your site. Some of the existing errors may be contributing to your problem.

And don’t paste content directly from Word as the pasted text will also contain Word’s own formatting. Sooner or later, this formatting will stop your pages from being displayed correctly (if at all) in Internet Explorer. If you cannot possibly manage without Word, make sure that you use the ‘Paste from Word’ option in the Visual Editor tab.

https://www.getwordpressed.com/learning-wordpress/paste-easily-to-wordpress-from-ms-word/

You need to go through your recent posts and remove any Word formatting.

thanks for your help, it’s fixed.