<div class="container mt-4 mb-4">
    <div class="row justify-content-md-center">
        <div class="col-md-12 col-lg-8">
            <h1 class="h2 mb-4">Submit issue</h1>
            <div class="form-group">
                <label for="name">Name</label>
                <input type="text" class="form-control" id="name" placeholder="Your name">
            </div>

            <div class="form-group">
              <label for="email">Email address</label>
              <input type="email" class="form-control" id="email" placeholder="Enter email">
              <small class="form-text text-muted">We'll never share your email with anyone else.</small>
            </div>

            <div class="form-group">
              <label>Describe the condition in detail</label>
              <textarea id="editor"></textarea>
            </div>

            <div class="form-group">
                <label for="phone">Primary phone number</label>
                <input type="text" class="form-control" id="phone" placeholder="">
            </div>

            <hr>

            <div class="form-group form-check">
                <input type="checkbox" class="form-check-input" id="terms">
                <label class="form-check-label" for="terms">I agree to the <a href="#">terms and conditions</a></label>
            </div>

            <button type="submit" class="btn btn-primary">Submit</button>
        </div>
    </div>
</div>
       tinymce.init({
            selector:'#editor',
            menubar: false,
            statusbar: false,
            plugins: 'autoresize anchor autolink charmap code codesample directionality fullpage help hr image imagetools insertdatetime link lists media nonbreaking pagebreak preview print searchreplace table template textpattern toc visualblocks visualchars',
            toolbar: 'h1 h2 bold italic strikethrough blockquote bullist numlist backcolor | link image media | removeformat help fullscreen ',
            skin: 'bootstrap',
            toolbar_drawer: 'floating',
            min_height: 200,           
            autoresize_bottom_margin: 16,
            setup: (editor) => {
                editor.on('init', () => {
                    editor.getContainer().style.transition="border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out"
                });
                editor.on('focus', () => {
                    editor.getContainer().style.boxShadow="0 0 0 .2rem rgba(0, 123, 255, .25)",
                    editor.getContainer().style.borderColor="#80bdff"
                });
                editor.on('blur', () => {
                    editor.getContainer().style.boxShadow="",
                    editor.getContainer().style.borderColor=""
                });
            }
        });

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.1.3/css/bootstrap.min.css

External JavaScript

  1. https://cdn.tiny.cloud/1/qagffr3pkuv17a8on1afax661irst1hbr4e6tbv888sz91jc/tinymce/5/tinymce.min.js