.mybox {
  column-count: inherit;
  column-count: auto;
  column-count: 0;
  column-count: 10;
  column-count: 10.3; /* Noncompliant !{Update the invalid value of property "column-count". Expected format: auto | <integer>(>=0)}! */
  column-count: none; /* Noncompliant */
  column-count: -10; /* Noncompliant */
}
