body {
  font-family: 'Oswald', "微軟正黑體", "Microsoft JhengHei", "Segoe UI Semibold", "Segoe UI", "Lucida Grande", sans-serif; }

.logo {
  display: flex;
  align-items: center; }
  .logo img {
    max-width: 450px;
    display: flex; }

.search-box {
  display: flex;
  justify-content: center;
  background: #0f75bc; }
  .search-box form {
    width: 800px; }
    .search-box form input {
      border-radius: 0px; }

#main-menu {
  justify-content: center; }

@media only screen and (max-width: 600px) {
  .logo {
    display: flex;
    align-items: center; }
    .logo img {
      max-width: 100%;
      display: flex; }

  .mall-products-item {
    width: 100%; }

  .navbar-toggler {
    width: 100%;
    border: 0px;
    border-radius: 0;
    color: unset;
    border-color: unset; }
    .navbar-toggler:focus {
      box-shadow: unset; } }