CSS Code:: Invision Version

Hello. I am using invision version and as we all know. templates cant be edited.

1. how do i bold the topic title in the topics list page. Where can i find the CSS code inside the AP > Display > colors > css.

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2. How do i change the background color for announcement. The scrolling one.

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3. How do i change the color by not affecting other fonts below the forum or anything. The [b] view your posts, view unanswered posts.

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4. On the forum page, i want when the forum hovered, the color will change. How?

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Thanks in advance.