VS Code extension to highlight duplicates css properties

Question

Any VS Code extension to highlight duplicate css properties? e.g

.test {
  font-size: 14px;
  ...
  font-size: 10px;
}

Answer 1

There are built-in settings which will flag duplicate properties :

// Do not use duplicate style definitions.

 "css.lint.duplicateProperties": "ignore",

// Do not use duplicate style definitions.

 "less.lint.duplicateProperties": "ignore",

// Do not use duplicate style definitions.

"scss.lint.duplicateProperties": "ignore"

Options are ignore, warning and error. Default is "ignore".