Issue #3343212 by markconroy, andy-blum, bnjmnm, longwave, alexpott, lauriii, codexmas, harsha012, rpayanm, occupant, Mukeysh, leahtard, joelpittet: Update Core CSS to use double-colon for pseudo elements

Issue #2972442 by spitzialist, Mukeysh, imalabya, markconroy, cilefen, volkswagenchick, Eli-T, longwave, andrewmacpherson: Add README.txt to Umami theme

Issue #2960486 by tanc, johnny_aroza, phaedrus, Mukeysh, thehuffman, cferthorney, kjay, rachel_norfolk, mjoneill, John Cook, Eli-T, borisson_, dmacgrue, esod, steveparks, xjm: Add an article to Umami - Oatmeal

Revert "Issue #2960486 by tanc, johnny_aroza, phaedrus, Mukeysh, thehuffman, cferthorney, kjay, rachel_norfolk, mjoneill, John Cook, Eli-T, borisson_, dmacgrue, esod, steveparks, xjm: Add an article to Umami - Oatmeal"

This reverts commit c340c396.

Issue #2960486 by tanc, johnny_aroza, phaedrus, Mukeysh, thehuffman, cferthorney, kjay, rachel_norfolk, mjoneill, John Cook, Eli-T, borisson_, dmacgrue, esod, steveparks, xjm: Add an article to Umami - Oatmeal

Issue #2960483 by Vidushi Mehta, timwood, cferthorney, Mukeysh, johnny221B, brahmjeet789, kjay, msankhala, mahtab_alam, Surabhi Gokte, Eli-T, brucedarby, markconroy: Add an article to Umami - Mocktails

Issue #2942489 by idebr, Vidushi Mehta, susannecoates, Mukeysh, markconroy, TaoStyle, matias, HAL 9000, seeallie: Links in footer could be more accessible

Issue #2971546 by Mukeysh, markconroy, msankhala: Umami theme login link is not showing underline on hover

Issue #2866806 by harsha012, Mukeysh, joelpittet: Update stylelint rule declaration-block-no-shorthand-property-overrides to be consistent with Drupal's CSS standards

Issue #2866823 by harsha012, Mukeysh, joelpittet: Update stylelint rule selector-type-no-unknown to be consistent with Drupal's CSS standards

Issue #2866805 by Mukeysh, joelpittet, harsha012: Update stylelint rule declaration-block-no-redundant-longhand-properties to be consistent with Drupal's CSS standards

Issue #2799603 by Mukeysh, josephdpurcell, Mixologic: .csslintrc file format is invalid and results in "important is not a valid option"

Issue #2793207 by SKAUGHT, Yogesh Pawar, Mukeysh, Cottser, webchick, tkoleary, alexpott: Fix off-set and goofy white jagged background of AJAX throbber when clicking Place Block

Issue #2398461 by DickJohnson, jp.stacey, idebr, rachel_norfolk, lauriii, Mukeysh, emma.maria: Clean up the "comments" component in Bartik

Issue #2349759 by davidhernandez, mortendk, rteijeiro, harish86, Sumit kumar, saki007ster, Mukeysh, brahmjeet789, nitishchopra, falkendk, Maninder, Vidushi Mehta, Ashish sandil, jitendra verma, crowdcg, sivaji@knackforge.com, dernetzjaeger: Copy system templates to Classy.

Issue #2349863 by tadityar, Mukeysh, ckrina: Overlapping elements in the titlebar in views modal window

Issue #2281451 by xgen2, Mukeysh, nathanlawson91 | a_thakur: Fixed Search form enabled in header region does not show the typed text.