How to highlight in red only the block with an explanation in yii2 in case of an error in form->field()?

Question

Yii

How to specify that after validation, only the block with an explanation is highlighted in red, and not the entire field with the title?

Answer 1

/*css*/
.has-error .control-label {
     color: none;
}
.has-error .form-control {
     color: none;
}