diff --git a/src/dictionary.rs b/src/dictionary.rs
index c45ffad..ad549f7 100644
--- a/src/dictionary.rs
+++ b/src/dictionary.rs
@@ -308,6 +308,7 @@ impl DictionaryState {
     }
 
     fn words_list(&self) -> iced::Element<'_, DictionaryMessage> {
+        let time = Instant::now();
         let mut col = Column::new().width(Length::Fill);
 
         let mut range = (0..self.include_map.len()).collect::<Vec<_>>();
@@ -389,6 +390,7 @@ impl DictionaryState {
             col = col.push(line);
         }
 
+        println!("Words rendering time: {:?}", time.elapsed());
         scrollable(col).height(Length::Fill).into()
     }
 
diff --git a/src/main.rs b/src/main.rs
index d5a4f1b..01265f4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -31,7 +31,7 @@ use crate::Page::{Dictionary, DictionaryQuiz, History, Quiz, Randomizer, Repetit
 use crate::RootMessage::Keyboard;
 use iced::keyboard::Event;
 use iced::widget::text;
-use iced::{keyboard, Element, Program, Subscription};
+use iced::{keyboard, Element, Program, Subscription, Theme};
 use iced::{Font, Task};
 use rusqlite::Connection;
 use std::sync::{Arc, Mutex};
@@ -40,12 +40,22 @@ use crate::history::{HistoryMessage, HistoryState};
 
 const DEFAULT_SPACING: f32 = 10.0;
 
+const USER_FONT: Font = Font::with_name("Noto Sans JP");
+
 fn main() -> iced::Result {
     iced::application(ScreenState::boot, ScreenState::update, ScreenState::view)
         .subscription(subscription)
         .title("Kana learn app")
+        .settings(iced::Settings{
+            default_text_size: iced::Pixels(16.0),
+            ..iced::Settings::default()
+        })
+        .font(include_bytes!("../ibmplex.ttf"))
         .font(include_bytes!("../noto.ttf"))
-        .default_font(Font::with_name("Noto Sans JP"))
+        .default_font(USER_FONT)
+        .scale_factor(|x| 1.5)
+
+        .theme(Theme::GruvboxDark)
         .run()
 }
 
@@ -124,7 +134,7 @@ impl Default for ScreenState {
     }
 }
 
-fn fill_state(mut state: &mut AppState) {
+fn fill_state(state: &mut AppState) {
     let list = load_words(&state.connection);
     let sets = load_sets(&state.connection);
     let groups = load_word_groups(&state.connection);
diff --git a/src/quiz.rs b/src/quiz.rs
index e440085..3425618 100644
--- a/src/quiz.rs
+++ b/src/quiz.rs
@@ -1,6 +1,6 @@
 use crate::lang::KanaSet;
 use crate::Page::PreviousPage;
-use crate::{NavigatedPage, Page, RootMessage, DEFAULT_SPACING};
+use crate::{NavigatedPage, Page, RootMessage, DEFAULT_SPACING, USER_FONT};
 use iced::widget::*;
 use iced::{alignment, Element, Fill, Task};
 use rand::seq::SliceRandom;
@@ -101,7 +101,7 @@ impl QuizState {
         container(
             iced::widget::column![
                 row![
-                    text!("{}", self.kana.to_uppercase()).size(54),
+                    text!("{}", self.kana.to_uppercase()).size(54).font(USER_FONT),
                     text!(
                         "{}",
                         if self.is_help {
diff --git a/src/selector.rs b/src/selector.rs
index f0168c6..75f1d3e 100644
--- a/src/selector.rs
+++ b/src/selector.rs
@@ -82,11 +82,11 @@ impl SelectorState {
         container(
             iced::widget::column![
                 row![
-                    button("Переключить азбуки").on_press(SelectorMessage::Change),
-                    button("Словарь").on_press(SelectorMessage::ToDictionary),
-                    button("Рандомайзер").on_press(SelectorMessage::ToRandomize),
-                    button("Повторение").on_press(SelectorMessage::ToRepetitions),
-                    button("Синхронизация").on_press(SelectorMessage::ToSync)
+                    button("あ ↔ ア").on_press(SelectorMessage::Change),
+                    button("Словарь").on_press(SelectorMessage::ToDictionary).style(button::text),
+                    button("Рандомайзер").on_press(SelectorMessage::ToRandomize).style(button::text),
+                    button("Повторение").on_press(SelectorMessage::ToRepetitions).style(button::text),
+                    button("Синхронизация").on_press(SelectorMessage::ToSync).style(button::text)
                 ]
                 .spacing(DEFAULT_SPACING),
                 self.rows_selector(),
diff --git a/src/sync.rs b/src/sync.rs
index cd5d15c..6b36e2e 100644
--- a/src/sync.rs
+++ b/src/sync.rs
@@ -185,7 +185,7 @@ impl SyncState {
                     )
 
                     .style(rounded_box),
-                    button("Скопировать в буффер обмена")
+                    button("Скопировать в буфер обмена")
                         .on_press(SyncMessage::CopyKey)
                         .width(Fill),
                     row![
@@ -202,7 +202,7 @@ impl SyncState {
             } else {
                 column![
                     button("Создать сохранение").on_press(SyncMessage::InitSync),
-                    button("Вставить ключ из буффера").on_press(SyncMessage::GetKey),
+                    button("Вставить ключ из буфера").on_press(SyncMessage::GetKey),
                 ]
             }
         }