Update index.html

[da-ksh-esh]

Identified Issues:

Missing closing tags:
In the .back section of the .flip div, there are incomplete or missing closing tags, which will cause rendering issues.

Repetitive SVG elements:
The same SVG logo is repeated twice. This creates unnecessary duplication and can be extracted for reuse.

Semantic HTML issues:
The is invalid. The correct type should be number for input fields.
Missing name attributes for form inputs, which are needed for proper form submission.

Accessibility issues:
Inputs lack proper aria-labels or for attributes, making the form less accessible.

Form field validation:
No client-side validation is implemented (e.g., for the card number and expiration date).

Year selection options:
The expiration year options are outdated (e.g., from 2016–2025), making the form less practical for current use.

Redundant CSS styling inside SVG:
The style="enable-background:new 0 0 47.834 47.834;" inside the SVG tag is not necessary in this context.

Non-semantic button content:
Instead of using an icon , a more meaningful text or additional labeling should be added to improve accessibility.

[Soyvor]

Ok solve the issue and move forward with them