---input---
.font-light {
    font-weight: 100; // Comment
}

---tokens---
'.'           Punctuation
'font-light'  Name.Class
' '           Text
'{'           Punctuation
'\n    '      Text
'font-weight' Keyword
':'           Punctuation
' '           Text
'100'         Literal.Number.Integer
';'           Punctuation
' '           Text
'// Comment\n' Comment.Single

'}'           Punctuation
'\n'          Text