@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
  #nav-icon3 {
    top: 0rem;
  }
  .navbar-collapse {
    width: 50%;
  }

  .tools-mdsize {
    position: absolute;
    top: 0.5rem;
    right: 6rem;
    z-index: 1234;
    width: auto;
  }
  .navbar-brand img {
	width: auto;
	max-width: 60%;
	}
  .navbar-brand span {
    font-size: 1.2rem;
  }

  .footer {
    padding: 5% 0 1%;
  }
  .copyright-box {
    padding: 1% 0 0;
  }

  .multiple-items .slick-dots li button {
    width: 22px;
    height: 3px;
    top: 6.5px;
  }
  .readmore-btn {
    width: 190px;
  }
  .btn-allapp {
    width: 240px !important;
  }
  .title-consult h1 {
    font-size: 1.7rem;
  }
  .title-consult p {
    font-size: 1.4rem;
  }
  .content-news,
  .content-products {
    padding: 5% 0;
    background-size: 100% !important;
  }
  .content-consult,
  .content-otherpage.contactuspage {
    padding: 5% 0;
  }

  .content-otherpage.contactmessage {
    padding: 3% 0;
  }
  .content-aboutus {
    padding: 7% 0 0;
    background-size: 100% !important;
  }
  .about-texthome h1,
  .about-texthome h2 {
    font-size: 1.2rem;
  }
  .readmore-knowledge {
    width: 310px;
    padding: 6px 15px;
  }
  .multiple-items .slick-prev::before,
  .multiple-items .slick-next::before {
    width: 28px;
    height: 28px;
  }
  .multiple-items .slick-prev {
    right: 2.5rem;
  }
  .multiple-items .slick-dots {
    bottom: -2.5rem;
  }

  .slide-products .multiple-items .slick-dots li button {
    width: 69px;
  }
  .slide-products .multiple-items .slick-dots {
    bottom: -1.5rem;
    width: 85%;
  }
  .slide-products .multiple-items .slick-prev,
  .slide-products .multiple-items .slick-next {
    bottom: -2rem;
  }

  .address-footer {
    margin: 0;
    padding: 0;
  }
  .copyright-box {
    font-size: 1rem;
  }
  .content-otherpage {
    padding: 3% 0 5%;
  }
  .content-otherpage.relatedbox {
    padding: 5% 0;
  }

  .textpro-detail ul {
    margin-left: 2rem;
  }
  .tabs-products .tab-content {
    padding-left: 1rem;
  }
  .tabs-products .nav-pills li {
    width: 100%;
    margin: 0;
  }
  .tabs-products .nav-pills li a {
    padding: 10px 15px 10px 0;
    text-align: left;
    border: none;
    border-bottom: 1px solid #b02d24;
    border-radius: 0;
    margin: 0;
  }
  .tabs-products .nav-pills li a img {
    width: 30px;
    margin-right: 15px;
  }
  .tabs-products .nav-pills li:last-child a {
    border-bottom: none;
  }

  .list-toolproducts {
    position: absolute;
    width: 100%;
    left: 0;
    bottom: 0;
  }
  .list-toolproducts ul {
    padding-left: 0;
  }
  .list-toolproducts ul li {
    padding: 0;
  }
  .content-otherpage.aboutuspage {
    padding-bottom: 5%;
  }
  .certi-text {
    padding-right: 10%;
  }
  .customer-table table {
    min-width: 1200px;
  }
  .content-otherpage.customers-content {
    padding: 5% 0;
  }
  .mapbox {
    margin: 0;
  }
}
@media (min-width: 992px) {
  .menumain {
    background: #302d2c;
  }
  /* .navbar-brand img, */
  .logo-footer img {
    width: 60px;
  }
  .hamburgers-box {
    justify-content: center;
  }
  .search-box {
    position: relative;
  }
  .search-box .form-control {
    background: #000;
    border-radius: 27px;
    border: 1px solid #fff;
    color: #fff;
    padding: 0.375rem 0.75rem 0.375rem 3rem;
  }
  .search-box .form-control::placeholder {
    color: #929292;
  }
  .search-box .search-btn {
    position: absolute;
    left: 5%;
    top: 50%;
    transform: translate(0, -50%);
  }
  .search-box .search-btn img {
    filter: invert(25%) sepia(81%) saturate(1872%) hue-rotate(342deg)
      brightness(79%) contrast(95%);
  }

  .navbar-expand-lg .navbar-collapse {
    width: 100%;
    margin-top: 5px;
    justify-content: center;
  }
  .navbar-expand-lg .navbar-nav {
    justify-content: center;
    width: 100%;
    margin: 0;
  }
  .navbar-nav li {
    width: auto;
    margin: auto;
    padding: 0;
    color: #fff;
    text-align: center;
    position: static;
  }
  .navbar-nav li a {
    padding: 10px 8px;
    color: #fff;
    position: relative;
  }
  .navbar-nav li.dropdown.languages-pc {
    display: block;
  }
  .navbar-nav li.dropdown.languages-pc .dropdown-menu {
    width: 100%;
    min-width: 100%;
  }
  .navbar-nav li.dropdown .dropdown-menu {
    min-width: inherit;
    width: 100%;
    left: 0;
    right: 0;
    margin: 0;
    box-shadow: rgba(50, 50, 93, 0.25) 0px 6px 12px -2px,
      rgba(0, 0, 0, 0.3) 0px 3px 7px -3px;
  }
  .navbar-nav li.dropdown .dropdown-menu a {
    text-align: left;
    padding: 10px 5px;
    display: inline-block;
    width: auto;
    margin: 0 2px;
    font-size: 12px;
  }
  .dropdown:hover .dropdown-menu {
    display: block;
  }
  .navbar-nav li.dropdown:hover .dropdown-menu {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  #nav-icon3 {
    display: none;
  }
  .policy-box ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
  }

  .about-texthome h1,
  .about-texthome h2 {
    font-size: 1.5rem;
  }
  .title-knowledge {
    position: relative;
    top: -2.4rem;
  }
  .title-consult,
  .slide-consult {
    margin-bottom: 4rem;
  }
  .multiple-items .slick-dots {
    width: 62%;
    right: 10%;
  }
  .multiple-items .slick-current.slick-active .consultgas-box {
    transform: scale(1.3);
  }
  .toolsetting-footer img {
    width: 33px;
  }
  .toolsetting-footer ul li {
    margin-bottom: 0.5rem;
    padding: 0.5rem;
  }
  .content-products .readmore-btn {
    float: right;
    margin: 0;
  }
  .slide-products .multiple-items .slick-dots {
    bottom: -3rem;
    width: 70%;
  }
  .slide-products .multiple-items .slick-prev,
  .slide-products .multiple-items .slick-next {
    bottom: -4rem;
  }
  .slide-products .multiple-items .slick-prev {
    right: 16.5rem;
  }
  .slide-products .multiple-items .slick-next {
    right: 14rem;
  }

  .tabs-products .nav-pills {
    max-height: 768px;
    overflow-x: hidden;
    overflow-y: auto;
  }
  .tabs-products .nav-pills::-webkit-scrollbar {
    width: 0;
  }

  .customer-table table {
    min-width: inherit;
    width: 100%;
  }
  .customer-table td {
    width: 33.33%;
    font-size: 0.8rem;
    padding: 10px 0;
  }
  .social-box img {
    width: 45px;
  }
}
@media (min-width: 1200px) {
  html {
    font-size: 18px;
  }
  .navbar-nav li.dropdown .dropdown-menu a {
    padding: 10px 5px;
    margin: 0 5px;
    font-size: 15px;
  }

  .multiple-items .slick-dots li button {
    width: 26px;
  }
  .certi-text {
    padding-right: 15%;
  }
}

@media (min-width: 1440px) {
  .container {
    max-width: 1336px;
  }
  .toolmobile img {
    width: 33px;
  }
  .toolmobile .search-box img {
    width: 23px;
  }
  /* .navbar-brand img, .logo-footer img {width: 70px;} */
  .navbar-brand img{max-width: 100%;}
  .logo-footer img {
    width: 45px;
  }
  .about-texthome h1,
  .about-texthome h2 {
    font-size: 1.8rem;
  }
  .title-knowledge h1,
  .title-box h1 {
    font-size: 2.5rem;
  }
  .toolmobile ul li span {
    width: 21px;
    height: 21px;
    top: -9px;
    right: -6px;
  }
  .multiple-items .slick-dots li button {
    width: 31px;
  }
  .navbar-nav li.dropdown .dropdown-menu a {
    font-size: 16px;
    padding: 10px 8px;
  }
  .certi-text ul {
    margin-top: 4rem;
  }
  .textabout {
    /* padding: 0 8%; */
    margin-bottom: 3rem;
  }
}

@media (min-width: 1600px) {
  .multiple-items .slick-dots {
    width: 65%;
    right: 7%;
  }
  .slide-products .multiple-items .slick-dots {
    bottom: -3.3rem;
    width: 75%;
  }
  .title-box {
    margin-bottom: 4rem;
  }
  .multiple-items .slick-dots li button {
    width: 32px;
  }
  .navbar-nav li.dropdown .dropdown-menu a {
    padding: 10px;
  }
  .customer-table td {
    width: auto;
  }
}
@media (min-width: 1800px) {
  html {
    font-size: 20px;
  }
  .about-texthome h2 {
    margin-bottom: 2rem;
  }
  .content-aboutus {
    background-position: center bottom;
  }
  .readmore-btn {
    width: 220px;
  }
  .btn-allapp {
    width: 240px !important;
  }
  .readmore-knowledge {
    width: 440px;
  }
  .multiple-items .slick-prev {
    right: 2rem;
  }
  .slide-products .multiple-items .slick-prev,
  .slide-products .multiple-items .slick-next {
    bottom: -3.5rem;
  }
  .slide-products .multiple-items .slick-next {
    right: 13rem;
  }
  .slide-products .multiple-items .slick-prev {
    right: 15rem;
  }
  .slide-products .multiple-items .slick-dots {
    bottom: -3rem;
  }
}