diff --git a/Readme.md b/Readme.md
index a558255..0454f3d 100644
--- a/Readme.md
+++ b/Readme.md
@@ -3,7 +3,7 @@
 
 With CustomTkinter you can create modern looking user
 interfaces in python with tkinter. CustomTkinter is a
-tkinter extension which provides extra ui-elements like 
+tkinter extension which provides extra ui-elements like
 the CTkButton, which can be used like a normal tkinter.Button,
 but can be customized with a border and corner_radius.
 
@@ -11,4 +11,171 @@ CustomTkinter also supports a light and dark theme,
 which can either be set manually or get controlled by
 the system appearance mode (only macOS).
 
-Detailed documentation is coming soon....
+## Ui-Elements
+
+### CTkButton
+Examle Code:
+```python
+def button_event():
+    print("button pressed")
+
+button = customtkinter.CTkButton(master=root_tk,
+                                 text="CTkButton",
+                                 command=button_event,
+                                 width=120,
+                                 height=32,
+                                 border_width=0,
+                                 corner_radius=8)
+button.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
+```
+<details>
+<summary>Show all arguments:</summary>
+
+argument | value
+--- | ---
+master | root, tkinter.Frame or CTkFrame
+text | string
+command | callback function
+width | button width in px
+height | button height in px
+corner_radius | corner radius in px
+border_width | button border width in px
+fg_color | forground color, tuple: (light_color, dark_color) or single color
+bg_color | background color, tuple: (light_color, dark_color) or single color
+border_color | border color, tuple: (light_color, dark_color) or single color
+hover_color | hover color, tuple: (light_color, dark_color) or single color
+text_color | text color, tuple: (light_color, dark_color) or single color
+text_font | button text font, tuple: (font_name, size)
+hover | enable/disable hover effect: True, False
+</details>
+
+### CTkLabel
+Example Code:
+```python
+button = customtkinter.CTkButton(master=root_tk,
+                                 text="CTkLabel",
+                                 width=120,
+                                 height=25,
+                                 corner_radius=8)
+button.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
+```
+<details>
+<summary>Show all arguments:</summary>
+
+argument | value
+--- | ---
+master | root, tkinter.Frame or CTkFrame
+text | string
+width | label width in px
+height | label height in px
+corner_radius | corner radius in px
+fg_color | forground color, tuple: (light_color, dark_color) or single color
+bg_color | background color, tuple: (light_color, dark_color) or single color
+text_color | label text color, tuple: (light_color, dark_color) or single color
+text_font | label text font, tuple: (font_name, size)
+</details>
+
+### CTkEntry
+Example Code:
+```python
+entry = customtkinter.CTkEntry(master=root_tk,
+                               width=120,
+                               height=25,
+                               corner_radius=10)
+entry.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
+
+text = entry.get()
+```
+<details>
+<summary>Show all arguments:</summary>
+
+argument | value
+--- | ---
+master | root, tkinter.Frame or CTkFrame
+width | entry width in px
+height | entry height in px
+corner_radius | corner radius in px
+fg_color | forground color, tuple: (light_color, dark_color) or single color
+bg_color | background color, tuple: (light_color, dark_color) or single color
+text_color | entry text color, tuple: (light_color, dark_color) or single color
+text_font | entry text font, tuple: (font_name, size)
+</details>
+
+### CTkSlider
+Example Code:
+```python
+def slider_event(value):
+    print(value)
+
+slider = customtkinter.CTkSlider(master=root_tk,
+                                 width=160,
+                                 height=16,
+                                 border_width=5.5,
+                                 command=slider_event)
+slider.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
+```
+<details>
+<summary>Show all arguments:</summary>
+
+argument | value
+--- | ---
+master | root, tkinter.Frame or CTkFrame
+command | callback function, gest called when slider gets changed
+width | slider width in px
+height | slider height in px
+border_width | space around the slider rail in px
+fg_color | forground color, tuple: (light_color, dark_color) or single color
+bg_color | background color, tuple: (light_color, dark_color) or single color
+border_color | slider border color, normally transparent (None)
+button_color | color of the slider button, tuple: (light_color, dark_color) or single color
+button_hover_color | hover color, tuple: (light_color, dark_color) or single color
+</details>
+
+### CTkProgressBar
+Example Code:
+```python
+progressbar = customtkinter.CTkSlider(master=root_tk,
+                                      width=160,
+                                      height=20,
+                                      border_width=5)
+progressbar.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
+
+progressbar.set(value)
+```
+<details>
+<summary>Show all arguments:</summary>
+
+argument | value
+--- | ---
+master | root, tkinter.Frame or CTkFrame
+width | slider width in px
+height | slider height in px
+border_width | border width in px
+fg_color | forground color, tuple: (light_color, dark_color) or single color
+bg_color | background color, tuple: (light_color, dark_color) or single color
+border_color | slider border color, tuple: (light_color, dark_color) or single color
+progress_color | progress color, tuple: (light_color, dark_color) or single color
+</details>
+
+### CTkFrame
+Example Code:
+```python
+frame = customtkinter.CTkSlider(master=root_tk,
+                                width=200,
+                                height=200,
+                               corner_radius=10)
+frame.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
+```
+<details>
+<summary>Show all arguments:</summary>
+
+argument | value
+--- | ---
+master | root, tkinter.Frame or CTkFrame
+width | slider width in px
+height | slider height in px
+fg_color | forground color, tuple: (light_color, dark_color) or single color
+bg_color | background color, tuple: (light_color, dark_color) or single color
+</details>
+
+#
\ No newline at end of file
diff --git a/customtkinter/customtkinter_frame.py b/customtkinter/customtkinter_frame.py
index 16b28a2..2f211ee 100644
--- a/customtkinter/customtkinter_frame.py
+++ b/customtkinter/customtkinter_frame.py
@@ -9,8 +9,8 @@ class CTkFrame(tkinter.Frame):
                  bg_color=None,
                  fg_color=None,
                  corner_radius=10,
-                 width=50,
-                 height=20,
+                 width=200,
+                 height=200,
                  **kwargs):
         super().__init__(*args, **kwargs)
 
diff --git a/customtkinter/customtkinter_progressbar.py b/customtkinter/customtkinter_progressbar.py
index ea5763b..9b66c38 100644
--- a/customtkinter/customtkinter_progressbar.py
+++ b/customtkinter/customtkinter_progressbar.py
@@ -11,7 +11,6 @@ class CTkProgressBar(tkinter.Frame):
                  border_color=None,
                  fg_color=CTkColorManager.PROGRESS_BG,
                  progress_color=CTkColorManager.MAIN,
-                 function=None,
                  width=160,
                  height=20,
                  border_width=5,
@@ -46,8 +45,6 @@ class CTkProgressBar(tkinter.Frame):
                                      height=self.height)
         self.canvas.place(x=0, y=0)
 
-        self.function = function
-
         self.border_parts = []
         self.fg_parts = []
         self.progress_parts = []