@media screen and (max-width: 480px) {
      .hall form{ max-width: 440px !important; width: 100%; text-align: center  }
      .formulario legend{ margin: auto;}
      .hall form .wrap-form .botao,.hall .formulario dl.wrap-form dd.campo.select{ margin: 10px; auto; float: none;}
      .hall .formulario dl.wrap-form dd.campo.select{ width: 95% !important; }
      .hall form .wrap-form .botao{ width: 95% !important; }
      
    }