.mybox {
  border-color: inherit;
  border-color: red;
  border-color: red blue;
  border-color: red blue green;
  border-color: red blue green white;
  border-color: red blue green white black; /* Noncompliant !{Update the invalid value of property "border-color". Expected format: <color>{1,4}}! */
  border-color: #f03;
  border-color: #f03 #f03;
  border-color: #f03 #f03 #f03;
  border-color: #f03 #f03 #f03 #f03;
  border-color: #f03 #f03 #f03 #f03 #f03; /* Noncompliant */
  border-color: transparent #f03 #f03 transparent;
}