Fix btn color

Author: nikoshell

src/components/InstallPWA.astro

@@ -3,7 +3,7 @@
 ---
 <div id="install-pwa" class="hidden">
   <p>Add website to home screen and get easy access to the schedule!</p>
-  <button id="install-btn" class="button-link font-bold text-lg px-4 py-4 rounded-lg inline-flex items-center justify-center leading-4 transition-colors duration-200 not-prose border text-text
+  <button id="install-btn" class="button-link font-bold text-lg px-4 py-4 rounded-lg inline-flex items-center justify-center leading-4 transition-colors duration-200 not-prose border text-white
       bg-primary hover:bg-primary-hover border-transparent">Add to home screen</button>
 </div>