diff --git a/src/main.rs b/src/main.rs
index 1f9277e..247f114 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,7 +14,7 @@ use std::fs;
 
 use iced::widget::{TextInput, column, text};
 use iced::{
-    Color, Length, Task, Theme,
+    Color, Length, Padding, Task, Theme, padding,
     widget::{Column, button, canvas, container, pick_list, row, scrollable, slider},
 };
 use iced::{Element, Font, Subscription};
@@ -70,6 +70,7 @@ struct MyApp {
     current_delta: f32,
     str_music_length: String,
     str_time: String,
+    can_unpaused: bool,
 }
 
 impl MyApp {
@@ -91,6 +92,7 @@ impl MyApp {
                 current_delta: 0.0,
                 str_music_length: "01:00:00".to_string(),
                 str_time: "00:00:00".to_string(),
+                can_unpaused: true,
             },
             Task::none(),
         )
@@ -200,7 +202,7 @@ impl MyApp {
                 }
                 match mut_s.parse::<f32>() {
                     Ok(val) => {
-                        if val <= 360. {
+                        if val >= 0. && val <= 360. {
                             self.update(Message::ChangeTeta(i, (val).to_radians()))
                         }
                     }
@@ -213,7 +215,7 @@ impl MyApp {
                     match mut_s.parse::<f32>() {
                         Ok(val) => {
                             let val = (val * 10.).floor() / 10.;
-                            if val >= 1. {
+                            if val >= 1. && val < 1000. {
                                 self.music.nb_sec_for_rev = val
                             }
                         }
@@ -223,18 +225,21 @@ impl MyApp {
             }
             Message::CancelColor(i) => {
                 self.music.set_color_picker(self.current_delta, i, false);
-                self.paused = false;
+                self.can_unpaused = true;
             }
             Message::SubmitColor(i) => {
                 if !self.paused {
                     self.update(Message::TogglePaused);
                 }
+                self.can_unpaused = false;
                 self.music.set_color_picker(self.current_delta, i, true);
             }
             Message::ChooseColor(i, color) => {
                 self.music.set_color(self.current_delta, i, color);
                 self.music.set_color_picker(self.current_delta, i, false);
+                self.can_unpaused = true;
             }
+            Message::None => {}
         }
     }
 
@@ -274,14 +279,16 @@ impl MyApp {
                                 new_value
                             ))
                             .width(Length::FillPortion(1)),
-                        slider(0.0..=2.0 * PI, polygon.global_teta, move |f| {
-                            Message::ChangeTeta(current_index, f)
-                        })
-                        .step(PI / 84f32) // 84 | 4 for do PI / 4
-                        .width(Length::FillPortion(9))
-                        .height(32),
+                        row![
+                            slider(0.0..=2.0 * PI, polygon.global_teta, move |f| {
+                                Message::ChangeTeta(current_index, f)
+                            })
+                            .step(2. * PI / 10_000.)
+                            .width(Length::FillPortion(9))
+                        ]
+                        .padding(Padding::from(16)),
                     ]
-                    .spacing(10),
+                    .spacing(5),
                 ]
                 .spacing(10)
                 .into();
@@ -308,7 +315,7 @@ impl MyApp {
         .chain(ngon_options)
         .collect();
 
-        let polygon_column = scrollable(Column::with_children(polygon_rows).spacing(20));
+        let polygon_column = scrollable(Column::with_children(polygon_rows).spacing(24));
         let mut save_panel: Vec<Element<Message>> = vec![
             button("Toggle Save Panel")
                 .on_press(Message::ToggleSavePanel)
@@ -359,7 +366,11 @@ impl MyApp {
             column![
                 row![
                     button(text(if self.paused { "󰐊" } else { "󰏤" }).size(28).center())
-                        .on_press(Message::TogglePaused)
+                        .on_press(if self.can_unpaused {
+                            Message::TogglePaused
+                        } else {
+                            Message::None
+                        })
                         .width(Length::FillPortion(1)),
                     row![
                         TextInput::new("MM:SS:CS", &self.str_time)
diff --git a/src/message.rs b/src/message.rs
index 2f477a7..4a5e200 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -2,6 +2,7 @@ use iced::Color;
 
 #[derive(Debug, Clone)]
 pub enum Message {
+    None,
     ChangeNbPerSec(String),
     Tick,
     AddPolygon(String),