fixed icon and changed class of links

src/pages/mirrors/nightlingbug-twitter-thread.mdx

@@ -13,11 +13,11 @@ title: Dysphoria Twitter Thread by Nightling Bug Mirror
 <hr/>
 
 The following is a mirror of a Twitter thread by 
-<a style="color:blueviolet; text-decoration: none;" href="https://x.com/NightlingBug">@NightlingBug</a>. 
+<a class="purple-link" href="https://x.com/NightlingBug">@NightlingBug</a>. 
 It has been mirrored here for the purpose of preservation since the internet archive is unable to
 preserve Twitter threads well. The original thread was created January 10th, 2020 and can be viewed
 here:
-<a style="color:blueviolet; text-decoration: none;" href="https://twitter.com/NightlingBug/status/1215716433210105856">Nightling Bug on Twitter</a>.
+<a class="purple-link" href="https://twitter.com/NightlingBug/status/1215716433210105856">Nightling Bug on Twitter</a>.
 
 <hr/>
 
@@ -58,7 +58,7 @@ icon to stay inline, sorry, I know it's hard to read */}
 from all of these feelings! For more clarity on the feelings of fake-ness described above, I highly
 recommend this article on depersonalization by Zinnia Jones, which helped me finally accept that, 
 yes, transitioning might make my life less intensely 
-difficult: <a style="color:blueviolet; text-decoration: none;" href="https://zinniajones.medium.com/depersonalization-in-gender-dysphoria-widespread-and-widely-unrecognized-baaac395bcb0">Depersonalization in gender dysphoria</a><a href="https://web.archive.org/web/20240521132204/https://zinniajones.medium.com/depersonalization-in-gender-dysphoria-widespread-and-widely-unrecognized-baaac395bcb0"><span class="tooltip"><img style="display:inline; vertical-align:bottom; max-width:1.5rem; padding-left:0.5vw;" src="../icons/archive.svg" alt="archive" /><span class="tooltip-text">View on the Internet Archive</span></span></a> 
+difficult: <a style="color:blueviolet; text-decoration: none;" href="https://zinniajones.medium.com/depersonalization-in-gender-dysphoria-widespread-and-widely-unrecognized-baaac395bcb0">Depersonalization in gender dysphoria</a><a href="https://web.archive.org/web/20240521132204/https://zinniajones.medium.com/depersonalization-in-gender-dysphoria-widespread-and-widely-unrecognized-baaac395bcb0"><span class="tooltip"><img style="display:inline; vertical-align:bottom; max-width:1.5rem; padding-left:0.5vw;" src="../../icons/archive.svg" alt="archive" /><span class="tooltip-text">View on the Internet Archive</span></span></a> 
 
 
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