.product_title .img_cover {
        position: absolute;
        background-color: #ce2027;
        width: 100%;
        height: 140px;
        opacity: 0.6;
    }
    
    .nav_button {
        width: 74.765%;
        display: inline-block;
        margin-top: 61px;
        margin-left: 7.812%;
        /*margin-left: 6.875%;*/
    }
    
    .nav_button button {
        cursor: pointer;
        /*width: 15.778%;*/
        width: 15.690%;
        font-size: 16px;
        background: none;
        border-style: none;
        padding: 9px 12px;
        border-bottom: 2px solid #b3b3b3;
    }
    .nav_button button:nth-child(1), .nav_button button:nth-child(2){
        margin-right: 1.882%;
    }
    
    .nav_button button:hover {
        border-bottom:2px solid #545454;
    }
    /* content */
    .content{
        width: 74.687% !important;
    }
    .content table {
        border: 1px solid black;
        width: 79.079%;
        /*width: 78.892%;*/
        margin-top: 30px;
        margin-left: 12.447%;
        /*margin-left: 35px;*/
        font-size: 16px;
        letter-spacing: 200%;
    }
    
    .table_title {
        background-color: #282a73;
        color: #ffffff;
    }
    
    .table_title th {
        text-align: center;
        padding: 10px;
    }
    
    .table_title th:nth-child(1) {
        width: 19.867%;
    }
    
    .table_content {
        border: 1px solid black;
        background-color: #f0f0f0;
    }
    
    .table_content td:nth-child(1) {
        text-align: center;
        vertical-align: middle;
        border-right: 1px solid black;
        font-size: 16px;
    }
    
    .table_content td:nth-child(2) {
        padding-left: 2.649%;
        padding-top: 10px;
        padding-bottom: 10px;
        font-weight: 300;
        font-size: 14px;
    }
    
    .modular_system {
        width: 100%;
        margin-top: 60px;
    }

    .modular_system button, .content_container .blue_btn{
        display: block;
        position: relative;
        margin: 24px auto;
        width: 20.502%;
        height: auto;
        /*height: 34px;*/
    }
    
    .modular_system .left {
        float: left;
    }
    
    .modular_system .right {
        float: right;
        font-size: 12px;
    }
    
    .modular_system .right span {
        font-size: 16px;
        margin-left: 12px;
        border-bottom: 1px solid black;
    }
    
    .modular_system .right img {
        margin: 0 5px;
        width: 20px;
    }
    
    .modular_system .content_sm_title {
        /*float: left;*/
        background-color: #f0f0f0;
        text-align: center;
        color: #282a73;
        font-size: 16px;
    }
    
    .modular_system .modular_img {
        margin-top: 47px;
        margin-left: 10.146%;
        /*margin-bottom: 24px;*/
        padding-bottom: 44px;
        border-bottom: 1px solid #e6e6e6;
        width: 89.132%;
    }
    /* content two */
    
    .table_two .table_title {
        text-align: center;
        font-size: 16px;
        width: 19.867%;
        vertical-align: middle;
    }
    
    .table_two .table_content {
        padding-left: 2.649%;
        padding-top: 10px;
        padding-bottom: 10px;
        font-size: 14px;
        font-weight: 300;
    }
    
    .table_content .tab_1 {
        padding-left: 7.95%;
    }
    
    .table_content .tab_2 {
        padding-left: 3.973%;
    }
    
    .table_content div {
        display: inline-block;
        margin-right: 4.63%;
        vertical-align: middle !important;
    }
    
    .table_content div img {
        /* width: 18.5%; */
        width: 40px;
        vertical-align: middle !important;
    }
    
    .proof {
        width: 78.892%;
        background-color: #d2dbe0;
        color: #27499e;
        font-size: 14px;
        margin-top: 25px;
        margin-bottom: 24px;
        margin-left: 12.447%;
        padding: 10px;
    }
    
    .proof span {
        font-weight: bold;
    }
    
    .proof_img {
        width: 78.892%;
        margin-left: 12.447%;
    }
    
    .proof_img img {
        width: 49.271%;
        display: inline-block;
    }
    
    .proof_img #img1 {
        margin-right: 1.324%;
    }
    
    .proof_img #img2 {
        float: right;
    }

    .content .table_two .multicolumns_img{
        width: 52.796%;
    }
    .liftingColumns_bottomImg{
        margin-top: 67px;
        margin-left: 14.853%;
        width: 71.548%;
    }

    @media ( max-width: 767px) {
        .nav_button button{
            width: 30%;
            padding:0;
        }
        .modular_system button, .content_container .blue_btn{
            width: 65%;
        }
    }