_LoginFormBody.cshtml

@using DNTCaptcha.TestWebApp.Models
@model AccountViewModel

<div asp-validation-summary="All" class="text-danger alert alert-block"></div>
<div class="panel panel-default top30">
    <div class="panel-heading">
        <h3 class="panel-title">Login</h3>
    </div>
    <div class="panel-body form-horizontal">
        <div class="form-group">
            <label asp-for="Username" class="col col-md-2 control-label"></label>
            <div class="controls col col-md-10">
                <div class="input-group col-md-4">
                    <span class="input-group-addon">
                        <span class="glyphicon glyphicon-user"></span>
                    </span>
                    <input asp-for="Username" class="form-control col-md-4" dir="ltr" AutoCompleteType="Disabled" />
                </div>
                <span asp-validation-for="Username" class="text-danger"></span>
            </div>
        </div>
        <div class="form-group">
            <label asp-for="Password" class="col col-md-2 control-label"></label>
            <div class="controls col col-md-10">
                <div class="input-group col-md-4">
                    <span class="input-group-addon">
                        <span class="glyphicon glyphicon-asterisk"></span>
                    </span>
                    <input asp-for="Password" class="form-control col-md-4" dir="ltr" />
                </div>
                <span asp-validation-for="Password" class="text-danger"></span>
            </div>
        </div>
        <div class="form-group">
            <label class="col col-md-2 control-label">
                Security code
            </label>
            <div class="controls col col-md-10">
                <dnt-captcha asp-captcha-generator-max="30"
                             asp-captcha-generator-min="1"
                             asp-captcha-generator-language="English"
                             asp-captcha-generator-display-mode="SumOfTwoNumbersToWords"
                             asp-use-relative-urls="true"
                             asp-placeholder="Security code as a number"
                             asp-validation-error-message="Please enter the security code as a number."
                             asp-font-name="Tahoma"
                             asp-font-size="60"
                             asp-fore-color="#333333"
                             asp-back-color="#ccc"
                             asp-text-box-class="text-box single-line form-control col-md-4"
                             asp-text-box-template="<div class='input-group col-md-4'><span class='input-group-addon'><span class='glyphicon glyphicon-lock'></span></span>{0}</div>"
                             asp-validation-message-class="text-danger"
                             asp-refresh-button-class="glyphicon glyphicon-refresh btn-sm"
                             asp-use-noise="true"
                             />
            </div>
        </div>
    </div>
    <footer class="panel-footer">
        <input type="submit" class="btn btn-info" value="Login" />
    </footer>
</div>