pidgin/nest

c1fbb1f6b8e5
WCAG 2 fixes for contrast and empty header

Testing Done:
Ran WAVE tool browser extension. They have a no-install, web version at https://wave.webaim.org/

As an example, improvement goes from 3+24 errors to 2+0 errors on https://pidgin.im/contact/

The colors are directly-scaled, viable suggestions, but it would be possible to make the green more green by exchanging red/blue for green while maintaining the same level of contrast. As an example #0c8a0c might be a bit more vibrant green. Please let me know if you would like me to suggest other slight color variations.

Bugs closed: NEST-45

Reviewed at https://reviews.imfreedom.org/r/777/
<section class="supporters">
<b>{{ T "Our-Supporters" }}</b>
<div>
{{ range .Site.Data.supporters }}
{{ $url := urls.Parse .badge }}
{{ $style := "" }}
{{ if .style }}
{{ $style = printf "style=\"%s\"" .style }}
{{ end }}
{{ if $url.Scheme }}{{/* Absolute path */}}
<a href="{{ .url | safeHTMLAttr }}">
<img src="{{ .badge }}" alt="{{ .name | safeHTMLAttr }}" {{ $style | safeHTMLAttr }}/>
</a>
{{ else }}
<a href="{{ .url | safeHTMLAttr }}">
<img src="/images/badges/{{ .badge }}" alt="{{ .name | safeHTMLAttr }}" {{ $style | safeHTMLAttr }}/>
</a>
{{ end }}
{{ end }}
</div>
</section>