clarify download buttons

Author: LWinterberg

src/components/button/DownloadButton.jsx

@@ -30,7 +30,7 @@ function DownloadButton() {
     return (
       <a
         onClick={() => handleButtonClick(href)}
-        className="text-white hover:underline"
+        className="text-white font-semibold hover:underline"
         href={href}
       >
         Download without Muse Hub

src/components/button/DownloadMuseHubButton.jsx

@@ -47,6 +47,7 @@ function DownloadMuseHubButton() {
         <span className="icon icon-import"></span>
         <p className="font-semibold">
           Download Audacity {audacityReleases.version}
+        <p className="font-light text-s">via MuseHub</p>
         </p>
       </a>
     );