diff --git a/docs/overview/style-props.md b/docs/overview/style-props.md
index 8fe60984f5..12a4869821 100644
--- a/docs/overview/style-props.md
+++ b/docs/overview/style-props.md
@@ -130,7 +130,7 @@ Zoom image-like objects. Multiplied with the zoom set on the object. The value 2
 </ul>
 
 ### transform_angle
- Rotate image-like objects. Added to the rotation set on the object. The value is interpreted in 0.1 degree unit. E.g. 45 deg. = 450 
+Rotate image-like objects. Added to the rotation set on the object. The value is interpreted in 0.1 degree units. E.g. 45 deg. = 450
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
@@ -208,7 +208,7 @@ Set the background color of the object.
 </ul>
 
 ### bg_opa
-Set the opacity of the background. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
+Set the opacity of the background. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_TRANSP`</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
@@ -280,7 +280,7 @@ Set a background image. Can be a pointer to `lv_img_dsc_t`, a path to a file or
 </ul>
 
 ### bg_img_opa
-Set the opacity of the background image. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
+Set the opacity of the background image. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
@@ -298,7 +298,7 @@ Set a color to mix to the background image.
 </ul>
 
 ### bg_img_recolor_opa
-Set the intensity of background image recoloring. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means no mixing, 256, `LV_OPA_100` or `LV_OPA_COVER` means full recoloring, other values or LV_OPA_10, LV_OPA_20, etc are interpreted proportionally.
+Set the intensity of background image recoloring. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means no mixing, 255, `LV_OPA_100` or `LV_OPA_COVER` means full recoloring, other values or LV_OPA_10, LV_OPA_20, etc are interpreted proportionally.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_TRANSP`</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
@@ -328,7 +328,7 @@ Set the color of the border
 </ul>
 
 ### border_opa
-Set the opacity of the border. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
+Set the opacity of the border. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
@@ -346,7 +346,7 @@ Set hte width of the border. Only pixel values can be used.
 </ul>
 
 ### border_side
-Set ony which side(s) the border should be drawn. The possible values are `LV_BORDER_SIDE_NONE/TOP/BOTTOM/LEFT/RIGHT/INTERNAL`. OR-ed values can be used as well, e.g. `LV_BORDER_SIDE_TOP | LV_BORDER_SIDE_LEFT`.
+Set only which side(s) the border should be drawn. The possible values are `LV_BORDER_SIDE_NONE/TOP/BOTTOM/LEFT/RIGHT/INTERNAL`. OR-ed values can be used as well, e.g. `LV_BORDER_SIDE_TOP | LV_BORDER_SIDE_LEFT`.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_BORDER_SIDE_NONE`</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
@@ -364,7 +364,7 @@ Sets whether the border should be drawn before or after the children are drawn.
 </ul>
 
 ## Outline
-Properties to describe the outline. It's like a border but drawn outside the rectangles.
+Properties to describe the outline. It's like a border but drawn outside of the rectangles.
 
 ### outline_width
 Set the width of the outline in pixels. 
@@ -385,7 +385,7 @@ Set the color of the outline.
 </ul>
 
 ### outline_opa
-Set the opacity of the outline. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
+Set the opacity of the outline. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
@@ -451,7 +451,7 @@ Set the color of the shadow
 </ul>
 
 ### shadow_opa
-Set the opacity of the shadow. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
+Set the opacity of the shadow. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
@@ -463,7 +463,7 @@ Set the opacity of the shadow. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means full
 Properties to describe the images
 
 ### img_opa
-Set the opacity of an image. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
+Set the opacity of an image. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
@@ -481,7 +481,7 @@ Set color to mixt to the image.
 </ul>
 
 ### img_recolor_opa
-Set the intensity of the color mixing. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
+Set the intensity of the color mixing. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
@@ -607,7 +607,7 @@ Sets the color of the text.
 </ul>
 
 ### text_opa
-Set the opacity of the text. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
+Set the opacity of the text. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
@@ -682,7 +682,7 @@ Enable to clip the overflowed content on the rounded corner. Can be `true` or `f
 </ul>
 
 ### opa
-Scale down all opacity values of the object by this factor. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
+Scale down all opacity values of the object by this factor. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
 <ul>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
 <li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
diff --git a/scripts/style_api_gen.py b/scripts/style_api_gen.py
index 5ad874e050..fec31f3ac6 100755
--- a/scripts/style_api_gen.py
+++ b/scripts/style_api_gen.py
@@ -62,9 +62,9 @@ props = [
 
 {'name': 'TRANSFORM_ANGLE',
  'style_type': 'num',   'var_type': 'lv_coord_t',  'default':0, 'inherited': 0, 'layout': 1, 'ext_draw': 1,
- 'dsc': " Rotate image-like objects. Added to the rotation set on the object. The value is interpreted in 0.1 degree unit. E.g. 45 deg. = 450 " },
+ 'dsc': "Rotate image-like objects. Added to the rotation set on the object. The value is interpreted in 0.1 degree units. E.g. 45 deg. = 450"},
 
-{'section': 'Padding', 'dsc':'Properties to describe spacing between the parent\'s sides and the children and among the children. Very similar to the padding properties in HTML.' },
+{'section': 'Padding', 'dsc' : "Properties to describe spacing between the parent's sides and the children and among the children. Very similar to the padding properties in HTML."},
 {'name': 'PAD_TOP',
  'style_type': 'num',   'var_type': 'lv_coord_t',  'default':0, 'inherited': 0, 'layout': 1, 'ext_draw': 0,
  'dsc': "Sets the padding on the top. It makes the content area smaller in this direction."},
@@ -99,7 +99,7 @@ props = [
 
 {'name': 'BG_OPA',
  'style_type': 'num',   'var_type': 'lv_opa_t',  'default':'`LV_OPA_TRANSP`', 'inherited': 0, 'layout': 0, 'ext_draw': 0,
- 'dsc': "Set the opacity of the background. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
+ 'dsc': "Set the opacity of the background. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
 
 {'name': 'BG_GRAD_COLOR',
  'style_type': 'color', 'var_type': 'lv_color_t',  'default':'`0x000000`', 'inherited': 0, 'layout': 0, 'ext_draw': 0,
@@ -134,7 +134,7 @@ props = [
 
 {'name': 'BG_IMG_OPA',
  'style_type': 'num',   'var_type': 'lv_opa_t',  'default':'`LV_OPA_COVER`', 'inherited': 0, 'layout': 0, 'ext_draw': 0,
- 'dsc': "Set the opacity of the background image. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
+ 'dsc': "Set the opacity of the background image. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
 
 {'name': 'BG_IMG_RECOLOR',
  'style_type': 'color', 'var_type': 'lv_color_t',  'default':'`0x000000`', 'inherited': 0, 'layout': 0, 'ext_draw': 0,
@@ -145,7 +145,7 @@ props = [
 
 {'name': 'BG_IMG_RECOLOR_OPA',
  'style_type': 'num',   'var_type': 'lv_opa_t',  'default':'`LV_OPA_TRANSP`', 'inherited': 0, 'layout': 0, 'ext_draw': 0,
- 'dsc': "Set the intensity of background image recoloring. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means no mixing, 256, `LV_OPA_100` or `LV_OPA_COVER` means full recoloring, other values or LV_OPA_10, LV_OPA_20, etc are interpreted proportionally."},
+ 'dsc': "Set the intensity of background image recoloring. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means no mixing, 255, `LV_OPA_100` or `LV_OPA_COVER` means full recoloring, other values or LV_OPA_10, LV_OPA_20, etc are interpreted proportionally."},
 
 {'name': 'BG_IMG_TILED',
  'style_type': 'num',   'var_type': 'bool',  'default':0, 'inherited': 0, 'layout': 0, 'ext_draw': 0,
@@ -161,7 +161,7 @@ props = [
 
 {'name': 'BORDER_OPA',
  'style_type': 'num',   'var_type': 'lv_opa_t' ,  'default':'`LV_OPA_COVER`', 'inherited': 0, 'layout': 0, 'ext_draw': 0,
- 'dsc': "Set the opacity of the border. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
+ 'dsc': "Set the opacity of the border. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
 
 {'name': 'BORDER_WIDTH',
  'style_type': 'num',   'var_type': 'lv_coord_t' ,  'default':0, 'inherited': 0, 'layout': 1, 'ext_draw': 0,
@@ -189,7 +189,7 @@ props = [
 
 {'name': 'OUTLINE_OPA',
 'style_type': 'num',   'var_type': 'lv_opa_t' ,  'default':'`LV_OPA_COVER`', 'inherited': 0, 'layout': 0, 'ext_draw': 1,
- 'dsc': "Set the opacity of the outline. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
+ 'dsc': "Set the opacity of the outline. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
 
 {'name': 'OUTLINE_PAD',
  'style_type': 'num',   'var_type': 'lv_coord_t' ,  'default':0, 'inherited': 0, 'layout': 0, 'ext_draw': 1,
@@ -221,12 +221,12 @@ props = [
 
 {'name': 'SHADOW_OPA',
  'style_type': 'num',   'var_type': 'lv_opa_t' ,  'default':'`LV_OPA_COVER`', 'inherited': 0, 'layout': 0, 'ext_draw': 1,
- 'dsc': "Set the opacity of the shadow. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
+ 'dsc': "Set the opacity of the shadow. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
 
 {'section': 'Image', 'dsc':'Properties to describe the images' },
 {'name': 'IMG_OPA',
  'style_type': 'num',   'var_type': 'lv_opa_t' ,  'default':'`LV_OPA_COVER`', 'inherited': 0, 'layout': 0, 'ext_draw': 0,
- 'dsc': "Set the opacity of an image. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
+ 'dsc': "Set the opacity of an image. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
 
 {'name': 'IMG_RECOLOR',
  'style_type': 'color', 'var_type': 'lv_color_t',  'default':'`0x000000`', 'inherited': 0, 'layout': 0, 'ext_draw': 0,
@@ -237,7 +237,7 @@ props = [
 
 {'name': 'IMG_RECOLOR_OPA',
  'style_type': 'num',   'var_type': 'lv_opa_t' ,  'default':0, 'inherited': 0, 'layout': 0, 'ext_draw': 0,
- 'dsc': "Set the intensity of the color mixing. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
+ 'dsc': "Set the intensity of the color mixing. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
 
 {'section': 'Line', 'dsc':'Properties to describe line-like objects' },
 {'name': 'LINE_WIDTH',
@@ -301,7 +301,7 @@ props = [
 
 {'name': 'TEXT_OPA',
  'style_type': 'num',   'var_type': 'lv_opa_t',  'default':'`LV_OPA_COVER`', 'inherited': 1, 'layout': 0, 'ext_draw': 0,
- 'dsc': "Set the opacity of the text. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
+ 'dsc': "Set the opacity of the text. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency."},
 
 {'name': 'TEXT_FONT',
  'style_type': 'ptr',   'var_type': 'const lv_font_t *',  'default':'`LV_FONT_DEFAULT`', 'inherited': 1, 'layout': 1, 'ext_draw': 0,
@@ -334,7 +334,7 @@ props = [
 
 {'name': 'OPA',
  'style_type': 'num',   'var_type': 'lv_opa_t',  'default':'`LV_OPA_COVER`', 'inherited': 1, 'layout': 0, 'ext_draw': 0,
- 'dsc': "Scale down all opacity values of the object by this factor. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 256, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency." },
+ 'dsc': "Scale down all opacity values of the object by this factor. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency." },
 
 {'name': 'COLOR_FILTER_DSC',
  'style_type': 'ptr',   'var_type': 'const lv_color_filter_dsc_t *',  'default':'`NULL`', 'inherited': 0, 'layout': 0, 'ext_draw': 0,