Update README.md

README.md

@@ -16,12 +16,19 @@ The layout type property determines how children of a node will be arranged. The
 ### Size
 The size of a node is determined by its `width` and `height` properties. These properties are specified with `Units`, which has four variants:
 - `Units::Pixels(val)` - Sets the size to a fixed number of pixels.
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 ![](/docs/images/size_pixels.svg)
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 - `Units::Percentage(val)` - Sets the size to a percentage of the nodes parent size.
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 ![](/docs/images/size_percentage.svg)
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 - `Units::Stretch(factor)` - Sets the size to a proportion of the free space of the parent within the same axis.
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 ![](/docs/images/size_stretch.svg)
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 - `Units::Auto` - Sets the size to either hug the nodes children, or to inherit the [content size](#content-size) of the node.
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 ![](/docs/images/size_auto.svg)
 
 ### Content Size
@@ -40,12 +47,19 @@ The position of a node within a stack can be adjusted by the spacing applied to
 
 Spacing is specified with `Units`, which has four variants:
 - `Units::Pixels(val)` - Sets the spacing to a fixed number of pixels.
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 ![](/docs/images/space_pixels.svg)
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 - `Units::Percentage(val)` - Sets the spacing to a percentage of the nodes parent size.
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 ![](/docs/images/space_percentage.svg)
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 - `Units::Stretch(factor)` - Sets the spacing to a proportion of the free space of the parent within the same axis.
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 ![](/docs/images/space_stretch.svg)
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 - `Units::Auto` - Sets the spacing to inherit the [child spacing](#child-space) of the parent.
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 ![](/docs/images/space_auto.svg)
 
 ### Position Type
@@ -66,6 +80,7 @@ The child space of a node applies space around its children by overriding the in
 - `child_top` - The space that should be applied between the top side of the view and its children with individual `Auto` top spacing. Applies to all children in a horizontal stack and to the first child in a vertical stack.
 ![](/docs/images/child_top.svg)
 - `child_bottom` - The space that should be applied between the bottom side of the view and its children with individual `Auto` bottom spacing. Applies to all children in a horizontal stack and to the first child in a vertical stack.
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 ![](/docs/images/child_bottom.svg)
 
 There are two additional child-spacing properties for setting the space between child nodes: