Theme Compatibility Issue

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Hello,

This is with regards to the Hueman Theme. But there is a strange issue which is coming.

1. The images are NOT visible first time I open the website. Once I go to other page or refresh it, it works!
2. The header/footer colors are not coming. They come for homepage or few pages but not for other pages (The header colors are predominantly black for most pages). I believe there is nothing done on my behalf to change those colors differently for different pages.

Most of the plugins I use are of WPMU only (There is no Magazine theme with WPMU else would have used that). It seems some WPMU plugin is conflicting.