CSS issue with both jQuery and Knockout validations plugins

Problem:CSS is not getting changed when validation are fired

Scenario: In my project I am using jQuery validations and knockout validation. In knockout I am having a parent model binding and child model that are dynamically generated on button click event.

validations:for parent model binding i have jQuery validations(model validations are used) but for child model I am having knockout validations(as property is not mentioned in the model)

problem:Validation message are getting displayed but css error class is not getting bind.For knockout validation I have mentioned

 ko.validation.init({
    registerExtenders: true,
    messagesOnModified: false,
    insertMessages: false,
    decorateElement: true,        
    errorElementClass: 'input-validation-error',
    errorMessageClass: 'field-validation-error'
});

knockout version:knockout:3.0.0