.title {
  transform: translateY(140px);
  margin-bottom: 40px;
  text-align: center;
}

.mb-3 {
  max-width: 600px;
  margin: 0 auto;
  transform: translateY(140px);
}

.submit-btn {
  padding: 5px 20px;
  margin-top: 10px;
  border-radius: 5px;
  border: none;
  background-color: #4caf50;
  color: white;
}

.submit-btn:hover {
  background-color: #3e8e41;
}

footer {
  position: absolute;
  width: 100%;
  bottom: 0;
}