[Resolved] Errors gerate with w3c validator. How to fix?

Error: Element style not allowed as child of element div in this context. (Suppressing further errors from this subtree.)

From line 230, column 393; to line 230, column 399

rtslider”><style>div#n2

Contexts in which element style may be used:
Where metadata content is expected.
In a noscript element that is a child of a head element.
Content model for element div:
If the element is a child of a dl element: one or more dt elements followed by one or more dd elements, optionally intermixed with script-supporting elements.
If the element is not a child of a dl element: flow content.
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Error: No p element in scope but a p end tag seen.

From line 242, column 639; to line 242, column 642

div></div></p>↩</div
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Error: No p element in scope but a p end tag seen.

From line 246, column 831; to line 246, column 834

></figure></p>↩</div