.mybox { /* Compliant */
}

.MYbOx { /* Noncompliant ![sc=2;ec=7;el=+0]! !{Rename class selector "MYbOx" to match the regular expression: ^[a-z][-a-z0-9]*$}! */
}

.ab_cd { /* Noncompliant ![sc=2;ec=7;el=+0]! !{Rename class selector "ab_cd" to match the regular expression: ^[a-z][-a-z0-9]*$}! */
}

.abcd #rrr div { /* Compliant */
}

.abcd .DEF .GHI div { /* Noncompliant */ /* Noncompliant */
}
