use hbox instead of richtextlabel for nested text tags, complete invite creation

dns/frontend/signup.html

@@ -61,7 +61,7 @@
 			<input id="confirm-password" type="password" placeholder="Confirm Password" required="true" />
 			<button type="submit" id="submit">Create Account</button>
 		</form>
-		<p style="text-center mt-4 text-[#999999] text-base">Already have an account? <a href="index.html">Login here</a></p>
+		<p style="text-center mt-4 text-[#999999] text-sm">Already have an account? <a href="index.html">Login here</a></p>
 		
 		<p id="log-output" style="min-h-24"></p>
 	</div>