Using Tag within Tag
Briefly

The <fieldset> tag in HTML is a semantic element used to group related form controls visually. It can be effectively utilized within <div> tags, enabling developers to create structured, bordered areas on their screens. This approach helps organize content like birth, marriage, and biography details without compromising layout aesthetics. Utilizing CSS, designers can control the appearance of these elements, adjusting attributes like width, height, and positioning for multiple fieldsets placed in different locations on a page.
The <fieldset> tag can effectively create visually distinct areas on a webpage, helping to group related elements together, typically used within forms.
It is perfectly valid to nest <fieldset> elements within <div> tags, allowing for flexible layout options while maintaining semantic structure.
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