DOC-3153 Docs-style: Improve style of Note, Tip and Warning
DOC-3143 Docs-style: Improve style of heading titles
DOC-3145 Improve style of prompt syntax
DOC-3137 Improve style of link in PDF
DOC-3135 Add the image to the book title
DOC-3136 Improve style of listitems display
DOC-3144 Improve style of Citetitle in PDF
DOC-3139 Improve style of highlights syntax
DOC-3138 Improve style of abstract right under book and chapter
DOC-3142 Improve style of code syntax
DOC-3140 Improve style of filename syntax
DOC-3146 Improve style of guilabel
DOC-3153 DOC-3143 Adjust size of note and padding of chapter titles