I don't think we need 100% exact fit, but what could be nice to improve is:
smaller heights of the green top line
top menu stretch 100% (now centered)
the background green and picture seems to be too big (compared to the reference), also we could stretch the background and float the garden blob on top of it, connected to the right side (that's why I provided them separately)
Now
Should be
I don't think we need 100% exact fit, but what could be nice to improve is: