.complex-form {
  margin-top: 20px;
  border-radius: 10px;
  border: 2px #cecaca solid;
  padding: 20px 10px 10px 10px;
  display: flex;
  flex-direction: column;
}

.complex-form .form-title {
  font-size: 20px;
  font-weight: bold;
  margin: -20px -10px 20px -10px;
  padding: 10px 0px 10px 25px;
  color: white;
  background-color: #a8aebb;
  border-radius: 7px 7px 0px 0px;
}

.complex-form .form-element {
  margin-bottom: 10px;
  font-size: 16px;
  border-radius: 5px;
  padding: 10px;
  border: 1px solid #cccccc;
  width: 100%;
  box-sizing: border-box;
}

.btn {
  border-radius: 5px;
  text-align: center;
  font-size: 16px;
  color: black;
  background: #ffffff;
  border: 1px solid #cccccc;
  padding: 8px 15px;
}

.btn:hover {
  background: #007bff;
  color: #ffffff;
  cursor: pointer;
}