1 files changed, 24 insertions, 0 deletions
diff --git a/school/node_modules/cssstyle/lib/properties/backgroundAttachment.js b/school/node_modules/cssstyle/lib/properties/backgroundAttachment.js
new file mode 100644
index 0000000..98c8f76
--- /dev/null
+++ b/school/node_modules/cssstyle/lib/properties/backgroundAttachment.js
@@ -0,0 +1,24 @@
+'use strict';
+
+var parsers = require('../parsers');
+
+var isValid = (module.exports.isValid = function isValid(v) {
+  return (
+    parsers.valueType(v) === parsers.TYPES.KEYWORD &&
+    (v.toLowerCase() === 'scroll' || v.toLowerCase() === 'fixed' || v.toLowerCase() === 'inherit')
+  );
+});
+
+module.exports.definition = {
+  set: function(v) {
+    if (!isValid(v)) {
+      return;
+    }
+    this._setProperty('background-attachment', v);
+  },
+  get: function() {
+    return this.getPropertyValue('background-attachment');
+  },
+  enumerable: true,
+  configurable: true,
+};