Need help urgently HTML/CSS

[Korey]

Okay so basically my website appears fine for me:

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But apparently when other people visit it the website has duplicated images, and things aren't in the right place. Magic attempted to help me earlier, but his advice didn't work out.
HOW IN THE HECK DO I FIX THIS?

How it looks for me:

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How it looks to others:

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And I'm just like wtf because on the 2nd one the navigator bar isn't taking up most of the screen, nor does the footer.

 

[Sean]

background-repeat: no-repeat;
background-size: cover;

 

[Korey]

Where do I put this code in universal?

 

[Sean]

Place it under where you have your background set in:

body {

}

 

[Korey]

I think it worked.... Hmph.
But how can I make it so that my footer is stretched from end to end. Instead of being in the center like that!

 

[Sean]

Please upload the latest version, your footer has no styling for me:

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[Korey]

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how can i make it so my footer so it goes form side to side.
idk how i managed to do it with my navigator bar.

 

[Sean]

Replace your .footer class with this:

.footer {
background-color: black;
color: white;
text-align: center;
padding: 20px 0;
opacity: 4.0;
width: 100%;
position: absolute;
bottom: 0;
opacity: 0.4;
}

 

[Korey]

Thanks so much the margin was doing it! D: