docs(global): decoration should be as long as the text

docs/README_jp.rst

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@@ -54,7 +43,7 @@ Website \| Docs \| Forum :gb: \| Demos \| Services \| SquareLine Studio
 
 :ledger:
 Overview
------------------
+--------
 
 **実績**\  LVGL
 は、フリー＆オープンソースの組み込み用グラフィックスライブラリです。

docs/integration/driver/X11.rst

@@ -3,7 +3,7 @@ X11 Display/Inputs driver
 =========================
 
 Overview
--------------
+--------
 
 | The **X11** display/input `driver <https://github.com/lvgl/lvgl/src/drivers/x11>`__ offers support for simulating the LVGL display and keyboard/mouse inputs in an X11 desktop window.
 | It is an alternative to **Wayland**, **XCB**, **SDL** or **Qt**.

docs/integration/driver/display/fbdev.rst

@@ -3,7 +3,7 @@ Linux Framebuffer Driver
 ========================
 
 Overview
--------------
+--------
 
 The Linux framebuffer (fbdev) is a linux subsystem used to display graphics. It is a hardware-independent API that gives user space software
 access to the framebuffer (the part of a computer's video memory containing a current video frame) using only the Linux kernel's own basic

docs/integration/driver/display/gen_mipi.rst

@@ -3,7 +3,7 @@ Generic MIPI DCS compatible LCD Controller driver
 =================================================
 
 Overview
--------------
+--------
 
 From the `Wikipedia <https://en.wikipedia.org/wiki/MIPI_Alliance>`__:
 

docs/integration/driver/display/ili9341.rst

@@ -3,7 +3,7 @@ ILI9341 LCD Controller driver
 =============================
 
 Overview
--------------
+--------
 
 The `ILI9341 <https://www.buydisplay.com/download/ic/ILI9341.pdf>`__ is a 262,144-color single-chip SOC driver for a-TFT liquid crystal display with resolution of 240RGBx320
 dots, comprising a 720-channel source driver, a 320-channel gate driver, 172,800 bytes GRAM for graphic

docs/integration/driver/display/st7735.rst

@@ -1,9 +1,9 @@
-=============================
+============================
 ST7735 LCD Controller driver
-=============================
+============================
 
 Overview
--------------
+--------
 
 The `ST7735S <https://www.buydisplay.com/download/ic/ST7735S.pdf>`__ is a single-chip controller/driver for 262K-color, graphic type TFT-LCD. It consists of 396
 source line and 162 gate line driving circuits. This chip is capable of connecting directly to an external

docs/integration/driver/display/st7789.rst

@@ -1,9 +1,9 @@
-=============================
+============================
 ST7789 LCD Controller driver
-=============================
+============================
 
 Overview
--------------
+--------
 
 The `ST7789 <https://www.buydisplay.com/download/ic/ST7789.pdf>`__ is a single-chip controller/driver for 262K-color, graphic type TFT-LCD. It consists of 720
 source line and 320 gate line driving circuits. This chip is capable of connecting directly to an external

docs/integration/driver/display/st7796.rst

@@ -1,9 +1,9 @@
-=============================
+============================
 ST7796 LCD Controller driver
-=============================
+============================
 
 Overview
--------------
+--------
 
 The `ST7796S <https://www.buydisplay.com/download/ic/ST7796S.pdf>`__ is a single-chip controller/driver for 262K-color, graphic type TFT-LCD. It consists of 960
 source lines and 480 gate lines driving circuits. The ST7796S is capable of connecting directly to an external

docs/integration/driver/windows.rst

@@ -3,7 +3,7 @@ Windows Display/Inputs driver
 =============================
 
 Overview
--------------
+--------
 
 The **Windows** display/input `driver <https://github.com/lvgl/lvgl/src/drivers/windows>`__ offers support for simulating the LVGL display and keyboard/mouse inputs in a Windows Win32 window.