Slider not showing correct | WordPress.org

Hello, I have a problem with smart slider 3. When I upload my slider into a wordpress page it displays correct. But when I go the page on my site the slider looks broken. When you scroll down to the homepage you will see it. http://nathan.vlietstra.net

I hope I can get help with this because I am really stuck with this and don’t now how to fix it… 🙁

The page I need help with: [log in to see the link]

 

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