@media (min-width: 320px) and (max-width: 480px) {
  #header {
    height: auto;
    padding: 10px 0;
  }
  #nav {
    display: flex;
    align-items: center;
    justify-content: end;
    margin: 0 10px;
    flex-direction: column;
  }
  .banner_cases_boxex {
    display: flex;
    flex-wrap: wrap;
  }
  .banner_box {
    max-width: calc(98% / 2);
    width: 100%;
    margin-bottom: 10px;
  }
  .banner_left_cart {
    width: 100%;
  }
  .banner_right_cart {
    width: 100%;
  }
  .banner_carts {
    display: flex;
    flex-wrap: wrap;
  }
  .custom_dropdown {
    width: 100px;
  }
  .user_name h5 {
    font-size: 12px;
  }
}
@media (min-width: 320px) and (max-width: 414px) {
  .banner_left_cart_btns ul li {
    padding: 3px 2px;
  }
  .custom_dropdown {
    width: 75px;
    padding: 2px 1px;
    font-size: 10px;
  }
}
@media (min-width: 481px) and (max-width: 767px) {
  #header {
    height: auto;
    padding: 10px 0;
  }
  #nav {
    display: flex;
    align-items: center;
    justify-content: end;
    margin: 0 10px;
    flex-direction: column;
  }
  .custom_dropdown {
    width: 100px;
  }
  .banner_cases_boxex {
    display: flex;
    flex-wrap: wrap;
  }
  .banner_box {
    max-width: calc(98% / 2);
    width: 100%;
    margin-bottom: 10px;
  }
  .banner_left_cart {
    width: 100%;
  }
  .banner_right_cart {
    width: 100%;
  }
  .banner_carts {
    display: flex;
    flex-wrap: wrap;
  }
  .custom_dropdown {
    width: 100px;
  }
  .user_name h5 {
    font-size: 12px;
  }
}
@media (min-width: 768px) and (max-width: 1024px) {
  #header {
    height: auto;
    padding: 10px 0;
  }
  #nav {
    display: flex;
    align-items: center;
    justify-content: end;
    margin: 0 10px;
    flex-direction: column;
  }
}
@media (min-width: 1024px) and (max-width: 1367px) {
}
@media (min-width: 1200px) and (max-width: 1399px) {
}