#mortgage-calculator input,
#mortgage-calculator button,
#mortgage-calculator select {
  width: 100%;
  padding: 8px;
  margin: 6px 0;
  border: none;
  border-bottom: 1px solid #ccc;
  border-radius: 0px;
}

#mortgage-calculator button {
  cursor: pointer;
}

#mortgage-calculator h3 {
  text-align: center;
}

#mortgage-calculator label {
  font-weight: bold;
}