@media (max-width: 1200px) {
  .wrapper {
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
  }
}

@media (max-width: 992px) {
  #header .info,
  #header .right_head {
    display: none;
  }
  #header .header.fix_head .logo {
    padding: 5px 0;
  }
  #header .header.fix_head .logo img {
    max-width: 60px;
  }
  .box_menu {
    width: 100%;
  }
  #header .logo {
    margin-bottom: 0;
  }
  #header .logo {
    width: 100%;
    max-width: 100%;
    text-align: center;
    padding: 10px 0;
  }
  #header .logo img {
    max-width: 100px;
  }
  .box_menu .menu {
    height: 45px;
  }
  .menu {
    display: none !important;
  }
  .menu_mobile,
  .icon_book {
    display: block;
  }
  .about_home .images-about {
    width: 100%;
    text-align: center;
  }
  .about_home .des-about {
    width: 100%;
    padding-top: 20px;
    padding-left: 0;
  }
  .about_home .des-about .title_about {
    width: 100%;
    margin-left: 0;
  }
  .about_home:after {
    display: none;
  }
  #news-home .news-left {
    width: 100%;
    padding-right: 0;
  }
  #news-home .news-right {
    width: 100%;
  }
  .about_home .des-about .title_about p,
  .about_home .des-about .title_about h3 {
    font-size: 20px;
  }
  #footer .footer .footer1 {
    width: 100%;
    padding-right: 0;
  }
  #footer .footer .footer2 {
    width: 50%;
    clear: both;
    max-width: 100%;
    padding-top: 20px;
  }
  #footer .footer .footer3 {
    width: 50%;
    padding-right: 0;
    max-width: 100%;
    padding-top: 20px;
  }
  .newsletter .img_newsletter {
    display: none;
  }
  .newsletter .form_newsletter {
    margin: 0;
    float: none;
    margin: auto;
    padding: 20px 0;
  }
}
@media (max-width: 767px) {
  #chat .chat,
  .social_fix {
    display: none;
  }
  .toolbar2 {
    display: block;
  }
  .top-contact .article-contact {
    width: 100%;
    margin-bottom: 20px;
  }
  .form-contact {
    width: 100%;
  }

  .margin-pr {
    margin: 0 -7px;
  }
  .item_pr_mg {
    padding: 0 7px;
    margin-bottom: 14px;
  }
  .about_home,
  .service_home,
  #news-home,
  .camket,
  .index,
  .kienthuc {
    padding: 20px 0;
  }

  .title_main h2 {
    font-size: 20px;
  }
  .title_newsletter h2 {
    font-size: 16px;
  }
  .title_newsletter p {
    font-size: 22px;
  }
  .items_ser_list {
    padding-bottom: 20px;
  }
  .title_main p {
    font-size: 25px;
  }
  .items_ck .des_ck h3 a {
    font-size: 16px;
  }
  #footer .footer .footer2 {
    width: 100%;
    padding-right: 0;
  }
  #footer .footer .footer3 {
    width: 100%;
  }
  .video_home .box_video {
    padding: 0 15px;
  }
  .items_video {
    padding: 0 10px;
  }
  .items_video {
    transform: scale(1);
  }
  .items_video a::before {
    width: 30px;
    height: 30px;
    background-size: 100% 100%;
    top: calc(50% - 15px);
    left: calc(50% - 15px);
  }
  .margin-kt {
    margin: 0 -7px;
  }
  .item_kt {
    padding: 0 7px;
    margin-bottom: 14px;
  }
  .box_news #news_main_sub {
    width: 100%;
    padding-right: 0;
  }
  .box_news .sub_news {
    display: none;
  }
  .info_footer .items_head {
    max-width: 100%;
    width: 100%;
    margin-bottom: 10px;
    justify-content: flex-start;
  }
  .newsletter {
    background-position: top right !important;
  }
  .hethong h2 {
    font-size: 15px;
  }
  .item_sv {
    padding: 5px;
  }
  .margin-sv {
    margin: 0 -7px;
  }
  #content .item_sv_l {
    padding: 0 7px;
    margin-bottom: 14px;
  }
}
@media (max-width: 675px) {
  .td_hidden {
    display: none;
  }
  .height {
    height: auto !important;
  }
}
@media (max-width: 625px) {
  .item_sub_cn .img_sub_cn {
    width: 40%;
  }
  .item_sub_cn .des-sub_cn {
    width: 60%;
  }
}
@media (max-width: 575px) {
  .item_kh_l {
    -ms-flex: 0 0 100% !important;
    flex: 0 0 100% !important;
    max-width: 100% !important;
  }
  .item_kh .des_kh h3 a {
    font-size: 15px;
  }
}
@media (max-width: 500px) {
}
@media screen and (max-width: 450px) {
}
@media screen and (max-width: 400px) {
}
@media screen and (max-width: 375px) {
}
@media screen and (max-width: 325px) {
}