The most D3 examples that I can find are not responsive embedded SVG. I guess the main reason for that is not to confuse the reader of a tutorial with stuff outside of D3. With the help of How to Scale SVG from Amelia Bellamy-Royds I would like to show on a minimal D3 example how to make the resulting SVG responsive.
Markers of a stroke have one problem in Inkscape,
they are always black. Here a small example of a unfilled shape with red Stroke paint, a
Start Markers and a
Arrow2Lend as End Markers.
I would like to show three ways to turn the markers red.
Unfortunately it is not possible to create a real blur overlay with CSS for all browsers at the moment. Only webkit
has the backdrop-filter. But all other browsers mostly
support a blur filter. This will not really work like a overlay, more like a filter that will be propagated
bottom-up. In other words, the filter works only for a hole element or not. It's impossible to have something like a
div overlay element that blurs only a part of an image like the