Apply the Scroll To Fixed behaviour to an element will cause the element to behave as a normal element until it reaches the set distance from the top of the page, after which it will act as if it has a fixed position (not affected by the page scrolling)
To Apply this behaviour:
1. Click the element that you want to apply the behaviour to.
2. Click the Add Behaviour button in the element's setting panel
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3. Select the Scroll To Fixed Option
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4. Set the desired distance from the top of the page.
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