@{
    ViewData["Title"] = "Index";
}

<div class="container-fluid">
    <h2>Группировка тэгов</h2>
    <form>
        <div class="row">
            <div class="col-md-2">
                <fieldset style="border: solid 2px red;">
                    <legend>Пол работника</legend>
                    <label for="idWoman"><input id="idWoman" type="radio" name="sex" checked value="Ж" /> Женский</label>
                    

                    <label for="idMan"><input id="idMan" type="radio" name="sex" value="М" /> Мужской</label>
                </fieldset>
            </div>
        </div>
    </form>
</div>

<style type="text/css">
    .legend {
        display: block;
        width: auto;
        padding: 0 5px;
        margin-bottom: 0;
        font-size: inherit;
        line-height: inherit;
        border-bottom: none;
    }

    .fieldset {
        border: 2px groove threedface;
        padding: 5px 5px 5px 10px;
    }
</style>