smart-canteen/pages/basic/index.wxss

.main .form {
  padding: 5px;
}

.main .form .section {
  padding: 5px;
  margin: 0 0 10px 0;
  border: 1px solid #333333;
  border-radius: 5px;
}

.main .form .section .title {
  padding: 5px 0;
}

.main .form .btn {
  text-align: center;
}