Issue #3214170 by Sakthivel M, manojithape, mitthukumawat, tushar_sachdeva: Claro:The cancel button is not center-aligned in the layout builder

(cherry picked from commit f4ff1b59)

Issue #3229172 by kostyashupenko, rkoller, Wim Leers, yash.rode, lauriii: Underlined text in CKEditor 5 not rendered as underlined in Claro

Issue #3154539 by bnjmnm, ckrina, kiran.kadam911, hansa11, Meenakshi.g, paulocs, saschaeggi, jwilson3: Implement new Gray scale on Claro

Issue #3116377 by justafish, ravi.shankar, idebr, komalk, sauravk, swatichouhan012, KondratievaS, kiran.kadam911, priyanka.sahni, lauriii, volkerk, Abhijith S, djsagar, ckrina, Indrajith KB, mmd: Autocomplete input in views exposed filters does not align with select and text inputs

Issue #3117698 by mherchel, anmolgoyal74, lauriii, kapilkumar0324, andrewmacpherson: Allow PostCSS Plugin “Px to Rem” in core for Olivero theme

Issue #3183425 by tanc, ckrina, longwave, sylus, Abhijith S, idebr, justafish, pandaski, bnjmnm: Google Chrome 87 renders fieldset with grey artefacts

Issue #3062751 by katherined, bnjmnm, boulaffasae, HOG, joseph.olstad, kapilkumar0324, Vidushi Mehta, shimpy, phenaproxima, antonellasevero, lauriii, KondratievaS, SharmaAnmol, ckrina: Media and media library

Issue #3072772 by katherined, lauriii, bnjmnm, DyanneNova, Gábor Hojtsy, ckrina, antonellasev: Initial Claro design for the modules page

Issue #3085212 by komalkolekar, lauriii, saschaeggi, DyanneNova, ckrina, Jongruk Timmanee: Redesign maintenance page

Issue #3066006 by bnjmnm, lauriii, katherined, KondratievaS, Lendude, ckrina, saschaeggi, phenaproxima: Convert Views UI to new design system

Issue #3085245 by bnjmnm, narendra.rajwar27, lauriii, olli: Un-inline SVGs in pcss.css files, add build tool to inline them when compiled

Issue #3155159 by laura.gates, jhodgdon, Kristen Pol: Fix notice at top of generated CSS files from PCSS

Issue #3023311 by bnjmnm, huzooka, kostyashupenko, boulaffasae, nod_, mrinalini9, codersukanta, lauriii, fhaeberle, ckrina, Peter Majmesku, andrewmacpherson, saschaeggi, antonellasevero, DyanneNova, thekishanraval: Modal dialog style update

Issue #3078524 by huzooka, kostyashupenko, thalles, katrienc, pranav45, neelam_wadhwani, prabha1997, ckrina, emma.maria, Maithri Shetty, Meenakshi.g, pminf, shimpy, fhaeberle, KondratievaS, Vinodhini.E, lauriii, cedric_a, bnjmnm, mradcliffe, DyanneNova, katannshaw: Focus styling of WYSIWYG field inputs should be consistent with other inputs