Revert "chore(frontend): tweak rt style for safari"

This reverts commit 76ccae8a.

packages/frontend/src/style.scss

@@ -132,10 +132,6 @@ hr {
 	background: var(--divider);
 }
 
-rt {
-	text-align: center;
-}
-
 .ti {
 	width: 1.28em;
 	vertical-align: -12%;