.mybox {
  all: inherit;
  all: initial;
  all: unset;
  all: revert;
  all: abc; /* Noncompliant ![sc=3;ec=12;el=+0]! !{Update the invalid value of property "all". Expected format: inherit | initial | unset | revert}! */
  *all: abc; /* Noncompliant */
  _all: abc; /* Noncompliant */
  -moz-all: abc; /* Compliant: vendor-prefix properties are not checked */
}
