There is a task to adjust the picture to the window size. It is necessary that either the picture was adequately fitted to the window, or the picture remained static, and everything else was fitted. I want to say at once that the picture is something like a background on which certain nodes are depicted, and these nodes must have meaning.

Something like that. Is it difficult to implement using html and css?
In general, there is a lower region - let it be fixed in height. stretched to the full width of the window. all that is higher - this kartika, also stretches to the rest of it. but the picture has a caption. and they must correspond to certain coordinates. roughly speaking there is

Changed the window - changed the picture and the location of the signature. the graph is still the same height and stretched to the full width
