#category-content-zone{
        display: none;
       }
       .vw-bt-text:not(.dp){
        display: none;
       }
       .cbg {
           background-image: none;
       }
       .zaviation{
          background-image: url('/images/avia-banner.jpg');
       }
       .defence{
           background-image: url('/images/defence-banner.jpg');
        } 
        .hydrogen{
            background-image: url('/images/hydrogen-banner.jpg');
        }
        .gas{
           background-image: url('/images/gas-banner.jpg');
        }
        .oilgas{
           background-image: url('/images/oilgas-banner.jpg');
        }
        .railways{
           background-image: url('/images/railways-banner.jpg');
        }
        .testbench{
           background-image: url('/images/testbench-banner.jpg');
         }
         .gse{
            background-image: url('/images/ugssn2.jpg');
          }
       #airforce{
          background-color: transparent !important;
       }
       #airforce .item{
          display: none;
       }
       #airforce h3{
          display: none;
       }
       #arm, #navy1{
          background-color: transparent !important;
       }
       #arm .item, #navy1 .item{
          display: none;
       }
       #arm h3, #navy1 h3{
          display: none;
       }
       #gas{
          background-color: transparent !important;
       }
       #gas .item{
          display: none;
       }
       #gas h3{
          display: none;
       }
       #oil{
          background-color: transparent !important;
       }
       #oil .item{
          display: none;
       }
       #oil h3{
          display: none;
       }
       #rai{
          background-color: transparent !important;
       }
       #rai .item{
          display: none;
       }
       #rai h3{
          display: none;
       }
       #tb{
          background-color: transparent !important;
       }
       #tb .item{
          display: none;
       }
       #tb h3{
          display: none;
       }
       #gse{
          background-color: transparent !important;
       }
       #gse .item{
          display: none;
       }
       #gse h3{
          display: none;
       }
         .act3{
            color:#fff !important;
            background: #4CAF50 !important;
         }
         /*#tab_all, #industry .nav-tabs #tab_railways, #industry .nav-tabs #tab_army, #industry .nav-tabs #tab_navy, .nav1_bg , #tab_mro , #tab_oilgas{*/
         /*    display: none;*/
         /*}*/
         h3.white-color {
             color: #ffffff;
             text-align: center;
         } 
         .home4.recent-project-section {
             background: #3498db;
         } 
         .avia-banner-image{
            padding: 0;
         } 

         .avia-img {
             width: 100%;
             object-fit: cover;
             height: calc(100vh - 159px);
         }
         .avia-banner-text {
             display: grid;         ;
             align-items: center;
             text-align: center;
             background-color: rgba(0, 0, 0, 0.6);
             height: calc(100vh - 167px);
             min-height: 400px;
         }
         .avia-banner-text h1 {
             color: white;
             width: 50%;
             margin: 0px auto;
             font-size: 3vw;
             line-height: 3.5vw;
         } 
         .avia-row {
             margin-right: -15px;
             margin-left: -15px;
         }
         #category-tab-zone {
             padding: 80px 20px;
          }
         .cat-tab-part ul {
             list-style: none;
             position: relative;
             margin-left: 0px;
             margin-right: 80px;
         }
         .cat-desp-part {
             margin-left: 50px;
         }
         .cat-tab-part::after {
             content: '';
             width: 2px;
             height: 194px;
             background-color: #B3B3B3;
             position: absolute;
             top: 204px;
             right: 0;
             transform: translateY(-50%);
         }
         .cat-tab-part li {
             text-align: center;
         }
         .cat-tab-part a{
            display: block;
            font-family: 'Montserrat';
            font-style: normal;
            font-weight: 600;
            font-size: 1.17vw;
            line-height: 1.5vw;
            text-transform: uppercase;
            padding: 13px 10px;
            position: relative;
            width: 100%;
            margin: 0 auto;
         }
         .cat-tab-part a:not(.active){
            color: #525252;
         }
         .cat-tab-part a:not(.active):hover {
             background-color: #4caf50;
             color: white;
             border-radius: 14px;
         }
         .cat-tab-part a.active {
            color: white;
            background-color: black ;
            border-radius: 14px;
         }
         .cat-tab-part a:not(.active):not(:last-child):after {
             content: '';
              width: 139px;
              height: 1px;
              background-color: #B3B3B3;
              position: absolute;
              bottom: 0px;
              left: 50%;
              transform: translateX(-50%);
         }
         .cat-tab-part a:not(.active):active {
             background-color: #ffffff;
             color: black;
         }
         .cat-desp-text {
             font-family: 'Lato';
             font-style: normal;
             font-weight: 400;
             font-size: clamp(16px, 1.3vw, 24px);
             line-height: 1.4;
             color: #414141;
         }
         .npre{
              color: #606060;
              line-height: 22px;
              font-family: 'Lato', sans-serif;
              font-size: clamp(15px, 1.17vw, 21px);
              line-height: clamp(18px, 1.7vw, 28px);
              margin: 0px;
              padding: 0 12px;
              background-color: transparent;
              border: none;
              white-space: break-spaces;
              word-break: break-word;
              word-spacing: 2px;
         }
          .cat-tab-row {
             display: flex;
          }
          .cat-tab-part {
             padding-top: 44px;
             padding-bottom: 44px;
          }
         .cat-desp-wrap {
             display: flex;
             align-items: center;
             padding: 0px 68px 0px 50px;
         }
         #aviation-banner{
            background-repeat: no-repeat;
            background-size: cover;
            height: calc(100vh - 167px);
            min-height: 400px;
            background-position: center;
         }
         #category-content-zone h4 {
             text-align: center;
             margin-bottom: 38px;
             font-size: 1.5vw;
             line-height: 1.7vw;
             font-family: 'Montserrat';
         }
         #category-content-zone h3{
            text-align: center;
             margin-bottom: 38px;
             font-size: 1.5vw;
             line-height: 1.7vw;
             font-family: 'Montserrat';
             font-style: normal;
             font-weight: 600;
         }

         .vw-btns{
            position: relative;
            margin-bottom: 65px;
         }
         .vw-btns .vw-bt-text {
             width: 50%;
             /*float: left;*/
             text-align: center;
             cursor: pointer;
             font-family: 'Montserrat';
             font-style: normal;
             font-weight: 600;
             font-size: 1.5vw;
            line-height: 1.7vw;
            padding-left: 150px;
            padding-right: 150px;
            color: #000;
            position: relative;
            margin: 0 auto;
         }
         .vw-btns .vw-bt-text:hover {
            color: #9f3232;
          }
          .vw-btns .vw-bt-text:after {
              content: url(/images/down-right-arrow.svg);
              background: #0855A6;
              height: 46px;
              border-radius: 14px;
              position: absolute;
              right: 12vw;
              top: 0px;
          }
         .cat-loader {
           border: 6px solid #f3f3f3;
           border-radius: 50%;
           border-top: 6px solid #3498db;
           width: 44px;
           height: 44px;
           -webkit-animation: spin 2s linear infinite; /* Safari */
           animation: catspin 2s linear infinite;
           display: block;
           margin:0 auto;
         }
         @keyframes catspin {
           0% { transform: rotate(0deg); }
           100% { transform: rotate(360deg); }
         }
         @media screen and (max-width:767px){
            .avia-img {
               height: 43vh;
            }
            /*.avia-banner-text {
               height: 17vh;
            }*/
            .avia-banner-text h1{
               font-size: 5vw;
               line-height: 5.5vw;
            }

            .cat-tab-row {
                display: flex;
                flex-flow: column;
            }
            .cat-tab-part ul {
                margin-left: 0px;
                padding-left: 0px;
                margin-right: 0px;
            }
            .cat-desp-wrap {
                padding: 0px 15px 10px;
            }
            .cat-tab-part {
                padding-bottom: 24px;
            }
            .cat-tab-part::after{
               display: none;
            }
            .cat-tab-part a {
               width: 78%;
              font-size: clamp(13px, 3.7vw, 16px);
              line-height: 1.1;
              padding-left: 20px;
              padding-right: 20px;
             }
            #aviation-banner {
                height: 300px;
                min-height: 300px;
            }
            .avia-banner-text {
                height: 300px;
                min-height: 300px;
            }
            .cat-desp-text {
                font-size: clamp(16px, 4.5vw, 22px);
                line-height: 1.4;
            }
            .cat-desp-part {
                margin-left: 0;
            }
            #category-content-zone h4 {
                font-size: 5vw;
                line-height: 5.6vw;
                text-align: center;
                padding: 20px 10px 0px;
            }
            .vw-btns .vw-bt-text {
                width: 100%;
                float: none;
                font-size: 4vw;
                line-height: 4.5vw;
                margin-bottom: 39px;
            }
           .vw-btns .vw-bt-text:after {
               right: 20vw;
               top: 3px;
           }
            .vw-btns .vw-bt-text {
                padding-left: 43px;
                padding-right: 126px;
             }
             .vw-btns {
                 position: relative;
                 /*margin-top: -60px;*/
                 margin-bottom: 21px;
             }
             #category-tab-zone {
                 padding: 20px 20px 58px;
             }
      }
         @media only screen and (min-width:768px) and (max-width:991px){
            .cat-tab-part a {
               font-size: 2vw;
               line-height: 2.2vw;
             }
             .cat-tab-part ul {
                 margin-right: 26px;
                 padding-left: 0px;
             }
             .cat-desp-wrap {
                     padding: 0px 25px 0px 22px;
             }
            .cat-desp-text {

            }
            #category-content-zone h4 {
                font-size: 2.5vw;
                line-height: 2.7vw;
            }
           .vw-btns .vw-bt-text:after {
                   right: 61px;
                   top: -2px;
               }
            .vw-btns .vw-bt-text {
                padding-left: 114px;
                padding-right: 114px;
             }
         }
         @media only screen and (min-width:992px) and (max-width:1199px){
            .vw-btns .vw-bt-text:after {
                    top: 0px;
                }
         }
         @media only screen and (min-width:1200px) and (max-width:1399px){
            .vw-btns .vw-bt-text:after {
                    top: 0px;
                }
         }
         @media only screen and (min-width:1400px){
            .vw-btns .vw-bt-text:after {
                    top: 3px;
                }
         }