In the div class, I choose form-inline. Whatever the contents of the divs were in the line. In the end, everything flies away. It is necessary that the first name was unlikely.
<div class="modal-body"> <form class="form"> <div class="form-group"> <label class="col-form-label">ΠΠΌΡ</label> <input type="text" class="form-control" id="firstName"> </div> <div class="form-group"> <label class="col-form-label">Π€Π°ΠΌΠΈΠ»ΠΈΡ</label> <input type="text" class="form-control" id="middleName"> </div> </div>