How to Achieve Responsive SVG Scaling Within Parent Containers: Solving the ViewBox Dilemma?

Resolving SVG Scaling Issues within Parent Containers

Question:

How can an SVG element be configured to expand or contract within its parent container, regardless of the container's size? Despite attempting the common solution of setting the viewBox attribute, the behavior remains inconsistent when elements within the SVG have predefined dimensions.

Answer:

The root cause of the scaling issue lies in the viewBox definition. The viewBox represents the size of the SVG drawing, not the container. To achieve responsive scaling, the viewBox should be defined in units of width, and the internal elements, such as the rect in this case, should be defined as percentages of the viewBox.

For example, if the viewBox is set to "100 0 100 100", the rect's width and height should be defined as "10%". This way, regardless of the size of the parent container, the rect will always remain 10% of the total SVG width.

Inkscape Configuration:

Unfortunately, Inkscape does not currently provide an option to set all elements within an SVG document to use percentage dimensions exclusively. This must be done manually for each element.

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