Optimize theme Pafat for the mobile view (#3480)

* Optimize theme Pafat for mobile view

* Change min-width in @media

* Better backward compatibility

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

* Better backward compatibility

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

p/themes/Pafat/pafat.css

@@ -1168,6 +1168,7 @@ a.btn {
 
 	.nav_menu .stick {
 		margin: 0 10px;
+		min-width: 0;
 	}
 
 	.nav_menu .stick .btn {

p/themes/Pafat/pafat.rtl.css

@@ -1168,6 +1168,7 @@ a.btn {
 
 	.nav_menu .stick {
 		margin: 0 10px;
+		min-width: 0;
 	}
 
 	.nav_menu .stick .btn {