body {
  font-size: 17px;
}

.form-control {
  font-size: 18px;
  height: 50px;
}

.btn-group-lg>.btn, .btn-lg {
  font-size: 120%;
}

.form-group-lg .form-control, .input-lg {
  font-size: 28px;
}


.page-lesson .summary {
  display: none;
}