[a11y] Firefox release notes page color contrast issue

[alexgibson]

Axe-core® Accessibility Results for /en-US/firefox/releasenotes/

Page URL: https://www-dev.allizom.org/en-US/firefox/releasenotes/

axe-core found 1 violation

#	Description	Axe rule ID	WCAG	Impact	Count
1	Elements must meet minimum color contrast ratio thresholds	color-contrast	WCAG 2 Level AA, WCAG 1.4.3	serious	1

Failed

1. Elements must meet minimum color contrast ratio thresholds

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color-contrast

WCAG 2 Level AA, WCAG 1.4.3

Ensure the contrast between foreground and background colors meets WCAG 2 AA minimum contrast ratio thresholds

serious

Issue Tags: cat.color wcag2aa wcag143 TTv5 TT13.c EN-301-549 EN-9.1.4.3 ACT

#	Issue Description	To solve this violation, you need to...
1	Element location <br>.all-download > a<br> Element source <br><a href="/en-US/firefox/all/desktop-release/">All Firefox downloads</a><br>	Fix any of the following: * Element has insufficient color contrast of 3.55 (foreground color: #0060df, background color: #cdcdd4, font size: 12.0pt (16px), font weight: bold). Expected contrast ratio of 4.5:1 Related node: <br>.all-download<br>