907 refactor wayback search a11y #912
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To comply with WCAG 2.2 Success Criterion 1.1.1 Non-text Content, specifically decoration, as icon-search.js does not serve any functional purpose it needs to have the attribute aria-hidden="true" so it can be ignored by assistive technology and focusable="false" (for IE backwards compatibility).
To comply with WCAG 2.2 Success Criterion 1.1.1 Non-text Content, specifically decoration the svg logo itself needs an aria-hidden="true" attribute (focusable=false is added for IE compatibility) so that it can be ignored by assistive technology as it adds no useful context. The only thing necessary is an aria-label on the anchor tag.
There were a few accessibility issues with the search field: - Fieldset was used unnecessarily/improperly. - The search label was on display:none which would make it invisible for screen readers as well.
1. Text colour was #858585 on #eee background which has a 3.18:1 contrast ratio failing WCAG AA for normal text. Sufficient contrast needed to be achieved. New contrast ratio is 21:1 passing both AA and AAA requirements. 2. Contrast between the input's background (used to be #eee, now #fff) and the parent elements background (#FCF5E6) is insufficient (only 1.08:1), making the input a very difficult target for clicking for the visually impaired.
By matching the border-radius of the input and parent element we can achieve a more visually harmonious design.
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Description
Closes #907
Testing
Give it a whirl with a screen reader (i.e. NVDA or JAWS). For contrast issues see WebAim's contrast checker
Evidence