fix enormous Buy Me a Coffee button

Author: jambl3r

README.md

@@ -12,7 +12,7 @@
 <a href='https://play.google.com/store/apps/details?id=io.github.sds100.keymapper&pcampaignid=pcampaignidMKT-Other-global-all-co-prtnr-py-PartBadge-Mar2515-1'><img alt='Get it on Google Play' src='https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png' height='75px'/></a>
 <a href="https://f-droid.org/packages/io.github.sds100.keymapper/" rel="nofollow"><img alt="Get it on F-Droid" height="75" src="https://user-images.githubusercontent.com/53379023/142497343-0e635fc5-056b-46ff-8d8e-d607ed95527e.png" data-canonical-src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png" style="max-width: 100%;"></a>
   </br>
-<a href='https://ko-fi.com/M4M41032E' target='_blank'><img height='30' style='border:0px;height:30x;' src='https://cdn.ko-fi.com/cdn/kofi1.png?v=2' border='0' alt='Buy Me a Coffee at ko-fi.com' /></a>
+<a href='https://ko-fi.com/M4M41032E' target='_blank'><img height='30' style='border:0px;' src='https://cdn.ko-fi.com/cdn/kofi1.png?v=2' border='0' alt='Buy Me a Coffee at ko-fi.com' /></a>
 <noscript><a href="https://liberapay.com/sds100/donate"><img alt="Donate using Liberapay" src="https://liberapay.com/assets/widgets/donate.svg"></a></noscript>
 <noscript><a href="https://buy.stripe.com/00g16L9YEabldDWdQQ"><img alt="Donate using Stripe" src="https://img.shields.io/badge/Donate-Stripe-blueviolet?style=for-the-badge&logo=stripe"></a></noscript>
 </p>