Small changes

src/main.rs

@@ -24,14 +24,20 @@ use crate::navigation::{AppSettings, RootMessage, ScreenState};
 use crate::quiz::*;
 use crate::repetitions::CardSetSettings;
 use crate::RootMessage::Keyboard;
-use iced::Font;
+use iced::{window, Font};
 use iced::{keyboard, Subscription, Theme};
+use iced_core::Size;
+use iced_core::window::Position;
 use rusqlite::Connection;
 
 const USER_FONT: Font = Font::with_name("Noto Sans JP");
 
 fn main() -> iced::Result {
-    iced::application(ScreenState::boot, ScreenState::update, ScreenState::view)
+    iced::application(ScreenState::boot, ScreenState::update, ScreenState::view).window(window::Settings{
+        position: Position::Centered,
+        min_size: Some(Size::new(700.0_f32.into(), 700.0_f32.into())),
+        .. Default::default()
+    })
         .subscription(subscription)
         .title("Kana learn app")
         .settings(iced::Settings {