.mybox {
  prefix: inherit;
  prefix: none;
  prefix: url(http://mybox);
  prefix: image();
  prefix: linear-gradient();
  prefix: abc;
  prefix: "abc";
  prefix: 'abc';
  prefix: 10px; /* Noncompliant !{Update the invalid value of property "prefix". Expected format: <string> | <image> | <identifier>}! */
  prefix: 10; /* Noncompliant */
  prefix: image() image(); /* Noncompliant */
}
