UX: font smoothing (#42)

scss/main.scss

@@ -2,6 +2,10 @@ html:not(:has(.has-full-page-chat)) {
   background-color: var(--background-color);
 }
 
+body {
+  -webkit-font-smoothing: antialiased;
+}
+
 :root {
   --main-grid-gap: 2em;
 }

scss/topic-cards.scss

@@ -100,7 +100,6 @@ body.user-messages-page .topic-list-item {
 }
 
 .topic-list-item {
-  -webkit-font-smoothing: antialiased;
   text-overflow: ellipsis;
   padding: 0.75em 1rem;
   border: 1px solid var(--primary-300);