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That's fine, but you're asking us to guess how that could be happening by not showing us your code. It might not be your fault. It could be the way the code interacts with the user agent stylesheet of the browser. It could be anything. If you want our help, give us the things we need to help you. This community is pretty friendly compared to stack overflow. There are two minimum components to asking for help in the developer world: Code and error message (or desired behavior vs experienced behavior in the case of something aesthetic like front end development). To that, I would add mentioning any research you've already done and things you've already tried helps establish your earnesty and investment in the outcome so that others will be more likely to invest similar effort in looking at your problem. It's our time/effort/energy that we don't get back and we are volunteering that -- more for those who can demonstrate that they respect and appreciate that. Browser versions & devices help too.
what do you mean ? I myself code that site.everything is ok except that
nice and complete...can I have your email to share you my code?
I don't share my personal contact info on this platform, but SoloLearn has a Code Playground (easy to find on the website version and accessible via the curly braces on the mobile app version, tap on the green circle with a plus sign in the lower right hand corner and select the project type -- e.g. Web) where you can post your code. Then you can generate a link (water molecule icon) and paste it in this thread.