Merge pull request #166 from dragos-dumi/master

Fix for pagination animation refs #2310
Refs #2283: show hamburger menu on 800px and beyond
Refs #2283: move hamburger menu to left
Refs #2283: custom colours for hamburger menu
Refs #2283: custom colours for accordion global menu for ASCOBANS
Refs #2283: custom colours for accordion global menu, for all themes
Refs #2275: arrange search box on 800, 600, 480px mobile resolutions
Merge pull request #167 from sandriu/master

arrange global menu and search on mobiles
Version 7.18
Refs #2283: custom colours for accordion global menu level 3
Refs #2275: hide breadcrumbs on mobiles
Merge pull request #168 from sandriu/master

custom colours for accordion global menu level 3
Refs #2275: add space beyond portal logo, on 480px screens
Refs #2275: fix bug: image overlapping article text
Merge pull request #169 from sandriu/master

fix bug: image overlapping article text