HTML Entities Cheat Sheet (In progress…)
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Entities
Generally useful
⊘\2298 // :before { content: '⊘'; }
→
Spacing
 Hair space // content: '\200A'
 Thin space // content: '\2009'
None breaking space
 Punctuation space
 En-space // content: '\2002'
 Figure space
 Em-space // content: '\2003'