Александр

Картинки

-webkit-clip-path: polygon(51% 65%, 65% 81%, 100% 81%, 100% 100%, 0 100%, 0 81%, 38% 81%);
clip-path: polygon(51% 65%, 65% 81%, 100% 81%, 100% 100%, 0 100%, 0 81%, 38% 81%);

.collapse,
.container-fluid
{
      padding: 0;
}
.nav > li > a
{
      padding-left: 0;
      padding-right: 0;
}

<form>
<div class="input-group">
   <label for="uname">Ваше имя:</label>
   <input type="text" required min="3" max="10" class="form-control" name="uname" placeholder="Александр">
</div>
<div class="input-group">
   <label for="umail">Ваша почта:</label>
   <input type="email" required class="form-control" name="umail" placeholder="example@mysite.com">
</div>
</form>

Так как и там и там применяется решетка "#".