Css Сlasses

Setup your own css classes for all html elements and customize the markup 

                        

    
        Survey.StylesManager.applyTheme("orange");
    


var json = {
  "questions": [
    {
      "type": "radiogroup",
      "name": "one",
      "title": "Radiogroup question (green)",
      "choices": [ "Yes", "No" ]
    },
    {
      "type": "checkbox",
      "name": "two",
      "title": "Checkbox question (orange)",
      "choices": [ "One", "Two" ]
    },
    {
      "type": "radiogroup",
      "name": "three",
      "title": "Required question (red title)",
      "isRequired": true,
      "choices": [ "Yes", "No" ]
    }

  ]
};

window.survey = new Survey.Model(json);


    survey.onComplete.add(function(result) {
        document.querySelector('#surveyResult').textContent =
            "Result JSON:\n" + JSON.stringify(result.data, null, 3);
    });

survey.onUpdateQuestionCssClasses.add(function(survey, options) {
    var classes = options.cssClasses

    classes.root = "sq-root";
        classes.title = "sq-title"
        classes.item = "sq-item";
        classes.label = "sq-label";
            

    if (options.question.isRequired) {
        classes.title += " sq-title-required";
        classes.root += " sq-root-required";
    }

    if (options.question.getType() === "checkbox") {
        classes.root += " sq-root-cb";
    }
});

ReactDOM.render(<Survey.Survey model={survey}  />, document.getElementById("surveyElement"));


                    
<!DOCTYPE html>
<html>
<head>
    <title>Setup your own css classes for all html elements and customize the markup, Reactjs Survey Library Example</title>


    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-polyfill/7.6.0/polyfill.js"></script>
    <script src="https://unpkg.com/react@15/dist/react.js"></script>
    <script src="https://unpkg.com/react-dom@15/dist/react-dom.js"></script>
    <script src="https://unpkg.com/@babel/standalone@7.2.5/babel.min.js"></script>
<script src="https://surveyjs.azureedge.net/1.1.23/survey.react.js"></script>
<link href="https://surveyjs.azureedge.net/1.1.23/survey.css" type="text/css" rel="stylesheet" />
    <link rel="stylesheet" href="./index.css">

</head>
<body>
                <div id="surveyElement">
            </div>
    <div id="surveyResult"></div>

<script type="text/babel" src="./index.js"></script>

</body>
</html>

.sv_qstn .sq-root {
  border: 1px solid gray;
  border-left: 4px solid #18a689;
  border-radius: 5px;
  padding: 20px;
  margin-bottom: 30px;
}

.sv_qstn .sq-root-cb {
  border-left: 4px solid orange;
}

.sq-title {
  font-size: 20px;
  margin-left: 20px;
}

.sq-title-required {
  color: red;
}

.sq-label {
  margin-left: 30px;
}

.sq-item:nth-child(1) {
  margin-bottom: 5px;
}