Accessibility Audit

### Dependency
- [x] https://github.com/hackforla/website/issues/3859
- [ ] https://github.com/hackforla/website/issues/4300
- [ ] and whatever issues are contained in the above epic are closed
- [ ] check the board, and if there doesn't seem to be any accessibility epics that should be done first, this can be moved to new issue approval.
- [Accessibility issues on the board](https://github.com/orgs/hackforla/projects/86/views/1?filterQuery=-label%3A%22away+on+hold%22+label%3A%22Feature%3A+Accessibility%22)

### Overview
Accessibility Audit to follow the WCAG 2.0/2.1 guidelines

### Action Items
- [ ] Alt text for informative and decorative images
- [ ] Text proportion and color contrast
- [ ] Link labels
- [ ] Video/Gif captions
- [ ] Info & Relationship
- [ ] Improve current project card’s headings and links’ descriptions
- [ ] Meaning sequence audit
- [ ] test with keyboard tab to see focusable elements
- [ ] test with a blur filter along side with screen reader and voiceover
- [ ] Labels and Instruction for Toolkit Guides

### Resources/Instructions
**Guidelines/Law:**
- WCAG:
- [WCAG 2.0 & 2.1](https://www.w3.org/WAI/standards-guidelines/wcag/)
- [Quick Reference](https://www.w3.org/WAI/WCAG21/quickref/)
- 508 Compliance
- [Tools & Guidance](https://www.section508.gov/test/web-software)

**Tool Extensions:**

- [WAVE](https://wave.webaim.org/extension/)
- [Siteimprove Accessibility Checker](https://chrome.google.com/webstore/detail/siteimprove-accessibility/efcfolpjihicnikpmhnmphjhhpiclljc)

Here are some of the sample errors we currently have for Hack for LA website:
- [Hack for LA Web Accessibility Results ](https://github.com/hackforla/website/files/6246294/HackforLA.Results.-.Web.Accessibility.pdf)

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