Issue #2505931 by stefan.r, akalata, cilefen, pwolanin, joelpittet, YesCT, alexpott, davidhernandez, larowlan, colbol, xjm, Wim Leers, dawehner, Cottser, catch: Remove SafeMarkup::set in ViewListBuilder

Issue #2427213 by mortendk, andypost, jwilson3, pjbaert, corbacho, Manuel Garcia, Jeff Burnz, andrewmacpherson: Replace feed.png with feed.svg

Issue #2395853 by LewisNyman, Manjit.Singh, nlisgo, pjbaert, Branislav Bujisic, pguillard, gavin.hughes, onelittlebecca, alisonjo2786, camoa, DickJohnson, manmohandream, davidhernandez, kgoel: Split system.module.css and system.theme.css files into SMACSS style components

Issue #2426967 by mortendk, BarisW, joelpittet, akalata, jwilson3, Manjit.Singh, joginderpc, rteijeiro, mgifford, LewisNyman, Manuel Garcia, markconroy: Feed icon should be a CSS background image not a image file

Issue #1493324 by tim.plunkett, dmsmidt, mgifford, bleen18, davidhernandez, crasx, mparker17, stefan.r, YesCT, joelpittet, tstoeckler, larowlan, vijaycs85, swentel, rpayanm, Bojhan, LewisNyman, emma.maria, BarisW, njbarrett, rteijeiro, nod_, sun, joshtaylor, mrjmd, webchick, marcvangend, kattekrab, SKAUGHT, bowersox, andrewmacpherson, Manjit.Singh, RavindraSingh, Wim Leers, BLadwin, aspilicious, mortendk, mausolos, jessebeach, Gábor Hojtsy, anandps, falcon03, franz, andypost, rooby, rootwork, Cottser, Xano: Inline form errors for accessibility and UX

Issue #2449445 by Cottser, emma.maria: Add "indentation" class back to indentation theme hook, use it for styling

Issue #2031641 by aburrows, lauriii, nlisgo, Pol, redsquid, tuutti, LewisNyman, akalata, agviu, kallehauge, _nolocation, rpayanm, saki007ster, mdrummond, RavindraSingh, brahmjeet789: Change active class to is-active

Revert "Issue #2449445 by mortendk, alexpott, Cottser: Add "indentation" class back to indentation theme hook, use it for styling"

Broke table drag. :(

This reverts commit 4fd9ea47.

Issue #2449445 by mortendk, alexpott, Cottser: Add "indentation" class back to indentation theme hook, use it for styling

Issue #2399939 by DickJohnson, LewisNyman, mherchel, idebr, brahmjeet789: Refactor 'admin-panel' CSS component

Issue #2426595 by mortendk, brahmjeet789, LewisNyman, DickJohnson: rename indentation class to js-indentation

Issue #2422363 by mortendk, joelpittet, davidhernandez: Rewrite the menu CSS components inline with our CSS standards

Issue #2408467 by idebr, DickJohnson, LewisNyman, monobasic: Rewrite pager component inline with our CSS standards

Issue #2360175 by zaporylie, gaurav.goyal, droplet, sivaji@knackforge.com, mcdruid, nod_, er.pushpinderrana, brahmjeet789: Change .append(' ') with CSS style in system.admin.css

Issue #2417705 by idebr: Autocomplete suggestions visual regression after modal and jQuery UI update

Issue #2333719 by alvar0hurtad0, idebr, LewisNyman, msankhala: Abstract Views Exposed Form styling out into a reusable class

Issue #2336141 by lauriii, LewisNyman, rteijeiro, balagan, emma.maria, stefika: Create reusable color classes

Issue #2372023 by andybroomfield, BarisW, aspilicious, LewisNyman, Vally79, tompagabor: Description of display settings takes too much space

Issue #2388301 by Sam152: Use CSS escape sequence in breadcrumb styles to prevent erroneous delimiter output

Issue #2226863 by cs_shadow, filijonka, joelpittet, pguillard: Update stale references to theme functions that have been converted to Twig

Issue #1759090 by andrewmacpherson, InternetDevels, jjcarrion: Remove redundant CSS from theme settings form

Issue #1833932 by lauriii, lokapujya, cilefen, Cottser, joelpittet, jenlampton, iMiksu, lanchez, ericrdb, mikispeed, Eric_A, mikemiles86: Convert theme_system_compact_link() into a #type link

Issue #1663166 by LewisNyman, Manuel Garcia, JamesLefrère, BarisW, sqndr, tompagabor: Clean up system admin css

Issue #2227401 by emma.maria, tompagabor, Aleksandar_P | LewisNyman: Apply the seven style guide to the status report.

Issue #1623574 by droplet, cilefen, cesarmiquel, patrickfgoddard, sun, zaporylie, er.pushpinderrana, stevecowie, mbroere: Fixed Remove trailing space from form element labels and field labels (HTML nbsp).

Revert "Issue #1842140 by mdrummond, tonystar, gavin.hughes, killerpoke, lauriii, droweski, stevector, omg-its-maggie, jenlampton, Renee S: Remove title and wrapper div from theme_item_list."

This reverts commit 79395676.

Issue #2215543 by Antti J. Salminen, mrjmd, alexrayu, olemedia | joelpittet: Replace strong tag with CSS in template_preprocess_authorize_report and remove id..

Issue #1842140 by mdrummond, tonystar, gavin.hughes, killerpoke, lauriii, droweski, stevector, omg-its-maggie, jenlampton, Renee S: Remove title and wrapper div from theme_item_list.

Issue #1912608 by Cottser, ckrina, jamesquinton, lauriii, jwilson3, mgifford, scaragucc' | criz: Update pagination markup for new CSS standards and improved accessibility.

Issue #1777332 by hass, Cottser, mike.roberts, joelpittet, dawehner | jenlampton: Replace theme_menu_link() and menu-tree.html.twig with a single Twig template.