Bootstrap 5.3 provides advanced form features such as floating labels using .form-floating, built-in validation states (.is-valid / .is-invalid), styled range inputs, and native color pickers via <input type="color">. Select fields are implemented using the styled native .form-select element rather than JavaScript-based custom dropdowns. Server-side validation integrates by manually applying validation classes and feedback messages, enabling modern, accessible forms with minimal custom CSS.
Code Example:-


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