Issue #2939940 by bmx269, joelpittet: Update stylelint rules color-hex-case to be consistent with Drupal's CSS standards

Issue #2866818 by harsha012, BrightBold, brahmjeet789, joelpittet: Update stylelint rule number-leading-zero to be consistent with Drupal's CSS standards

Issue #2866816 by harsha012, BrightBold, cwells, joelpittet, idebr: Update stylelint rule length-zero-no-unit to be consistent with Drupal's CSS standards

Issue #2781031 by chanchal2002, starshaped, joginderpc, alioso, brahmjeet789, Chernous_dn, Cottser, bandanasharma, Manjit.Singh, phenaproxima, tompagabor: Cron link on cron page overflows its background on smaller screens

Issue #2878548 by alexpott, droplet, Cottser, idebr, joelpittet, xjm, martin107: Fix CSS whitespace issues

Issue #665790 by chrisrockwell, Sumit kumar, lauriii, joelpittet, sun, vulcanr, vaplas, yoroy, leahtard, tompagabor, aspilicious, ckrina, Gábor Hojtsy, David_Rothstein, Manuel Garcia, rootwork, nod_, kostyashupenko, pguillard, Bojhan, droplet, typhonius, wturrell, mgifford, webkenny, cosmicdreams, tkoleary, YesCT, marcvangend, markabur, LewisNyman, mrfelton, oriol_e9g, prabhu9484, catch, hedrickbt, tsvenson, longwave, dww, kika, borisson_, rdellis87, realityloop, klonos: Redesign the status report page

Issue #2226317 by GemVinny, Manuel Garcia, joginderpc, Oostie, LewisNyman, juho.lehmonen, amanire, ibbwebguy, aczietlow, studiozut, alexpott, emma.maria, rteijeiro: Divs in the container-inline wrapper should be inline-block instead of inline

Issue #2571539 by Lendude, Surabhi Gokte, Cottser, swentel, emma.maria, alexpott, Manjit.Singh: Progress bar higher than progress track

Issue #2557367 by davidhernandez, joelpittet, madhavvyas, alexpott, nikkyR, Studiographene, emma.maria, xjm: Fix inline list CSS

Issue #2396473 by herom, Aunion, pjbaert, Manjit.Singh, Dhorkiy, b0unty, prabhurajn654, Dom., Gábor Hojtsy, LewisNyman, idebr: Add missing RTL rules to System CSS

Issue #2471739 by RajeevK, martins.kajins, pektinasen, LewisNyman, jaxxed: Convert reusable layout classes to BEM standards

Revert "Issue #2471739 by RajeevK, martins.kajins, LewisNyman, jaxxed: Convert reusable layout classes to BEM standards"

This reverts commit cec8f5eb.

Issue #2471739 by RajeevK, martins.kajins, LewisNyman, jaxxed: Convert reusable layout classes to BEM standards

Issue #2405057 by nlisgo, Manjit.Singh, ctraltdel, madhavvyas, avitslv, LewisNyman, emma.maria, joelpittet, dernetzjaeger, wmortada, karolus, cilefen, Noe_, davidhernandez, idebr: Replace arrow-asc and arrow-desc images with Libricons and implement using CSS

Issue #2566597 by Cottser, LewisNyman, mdrummond, pjbaert, jaxxed, ManuelGarcia, emma.maria, maked1sky, davidhernandez: [Mega patch] Move system *.theme.css files to Classy

This reverts commit 7cabfeee.

This reverts commit fb07e7bb.

Issue #1591744 by MathieuSpil, pguillard, droplet, rudraram, DeeLay, LewisNyman, mansspams, Aleksandar_P, Manjit.Singh, cchanana, lauriii: Clean up CSS and markup for status report

Issue #2553465 by mdrummond, pguillard, LewisNyman: Move system exposed-filters.theme.css, more-link.theme.css, and pager.theme.css to Classy

Issue #2502113 by pguillard, JMC, prajaankit, LewisNyman, pjbaert: Unused css classes in system.diff.css

Issue #2214241 by mortendk, mdrummond, lauriii, galooph, ShaunDychko, jjcarrion, b0unty, joelpittet, scor, amitgoyal, aboros, Manuel Garcia, hkirsman, BLadwin, hussainweb, sushilkr, emma.maria, nlisgo, yched, LewisNyman, davidhernandez, mikl, camoa, dman, dodorama: Field default markup - removing the divitis

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.