input,
select {
  margin-left: 20px;
  width: 300px;
}

.sub_main {
  max-width: 500px;
  margin-right: 100px;
}
.main {
  padding: 0 2.5rem;
  padding-top: 2rem;
  padding-bottom: 3rem;
  display: flex;
  justify-content: center;
}

.sub_form {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

.btn_submit {
  color: white;
  background-color: var(--main-color--);
  padding: 10px 30px 10px 30px;
  cursor: pointer;
  border: none;
  font-size: 18px;
}