The rise and fall of the ultra-right

Macron's win over Le Pen seems to indicate that the time for ultra-right parties is over

After Brexit and Donald Trump winning in the US, it looked as if in many countries of Europe, ultra-right parties would gain prominence. However, after the way Emmanuel Macron won the presidential election in France after beating ultra-right candidate Marine Le Pen with a big margin, it seems the time for ultra-right parties is over. What explains the steep rise of the ultra-right position and its equally fast slide? Are the people of Europe disillusioned with the populist policy initiatives of Trump? Or have they realised that protectionist or anti-Europe policies are not viable?
 
There was a steep rise