issues under index.html

[krittika019]

Issues Identified:
Unclosed

tag: The .back section has an incomplete tag (<div class=), which can cause issues in rendering the back of the card.
Obsolete year options in dropdown: The year options include years in the past (from 2016 to 2025), which are now outdated.
Repetitive class names in card numbers: The input-cart-number class is used for all four input fields for the card number. While this isn't a critical issue, it might cause confusion if CSS or JS is applied.
Input type num: The type should be number instead of num, as HTML recognizes number for input fields that require numeric input.
Accessibility: The for attribute in elements should match the corresponding input id, which is correctly done here, but the placeholders and roles (like aria-* attributes) for accessibility could be enhanced.
Form Validation: The novalidate attribute prevents HTML5 validation. Consider removing it if client-side validation is desired.
Hardcoded year values: Instead of hardcoding years, generating them dynamically (especially for future years) would make the code more maintainable.
CSS class conflict risk: The class name logo is generic and might conflict with other styles in a larger project. Consider a more descriptive name like card-logo.
SVG placement duplication: The SVG logo for the Visa icon is duplicated in the front and back. It might be better to define the SVG once and reference it.