The website takes a long time to lod and it does not display correctly the layout is expanded.

Make sure that you allow pages to choose their colors and that you haven't enabled High Contrast in the Accessibility settings.

• Tools > Options > Content : Fonts & Colors > Colors : [X] "Allow pages to choose their own colors, instead of my selections above"

See also:

• http://kb.mozillazine.org/Website_colors_are_wrong
• http://kb.mozillazine.org/Websites_look_wrong

nope didn't work it is the same in other browsers

Can you attach a screenshot?

• http://en.wikipedia.org/wiki/Screenshot
• https://support.mozilla.org/kb/how-do-i-create-screenshot-my-problem

Use a compressed image type like PNG or JPG to save the screenshot.

Did you check the Accessibility settings in Windows?

• http://windows.microsoft.com/en-US/Windows7/Make-the-computer-easier-to-see-optimize-visual-display
• http://windows.microsoft.com/en-US/windows7/Getting-the-best-display-on-your-monitor

here it is

Looks that the CSS files are missing.

Did you try Safe mode?

• Help > Restart with Add-ons Disabled

• https://support.mozilla.org/kb/Safe+Mode
• https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

See also:

• https://support.mozilla.org/kb/Websites+look+wrong
• http://kb.mozillazine.org/Websites_look_wrong