Revolution Slider plugin problem

Hi, I’ve been trying to troubleshoot this problem for quite some time. I hope someone can help me.

I’ve noticed that my revolution slider creates a different font style to my menu bar on top. If you can see “home” it has a drop shadow and is hard to read.

Before

However, once I click on the “services” tab (which is how I want it to be) the font is back to normal. The revolution slider is not on these pages so that is why I concluded that it is the slider itself.

After

Does anyone know why this is happening? How can I fix this problem?

Thank you!