.about-banner-container {
    position: relative;
}

.about-banner-img {
    width: 1000px;
    height: 625px;
    background-size: 100%;
    background-repeat: no-repeat;
}

.about-banner-text {
    width: 550px;
    height: 370px;
    background-color: rgba(245, 245, 245, 0.90);
    position: absolute;
    left: 0;
    top: 172px;
    text-align: center;
    color: #18585F;
}

    .about-banner-text img {
        margin-top: 31px;
        margin-bottom: 20px;
    }

    .about-banner-text h1 {
        font-size: 40px;
        font-family: YekanBakh-Bold;
        line-height: 62px;
        margin-bottom: 10px;
    }

    .about-banner-text h2 {
        font-size: 30px;
        font-family: YekanBakh-Medium;
        line-height: 46px;
        direction: ltr;
        margin-bottom: 25px;
    }

    .about-banner-text h5 {
        font-size: 25px;
        line-height: 39px;
    }

        .about-banner-text h5 span {
            font-size: 24px;
            line-height: 41px;
            font-family: YekanBakh-Medium;
            margin-right: 10px;
        }

.about-main-qm {
    position: absolute;
    left: -15%;
    top: 300px;
    opacity: 0.9;
    transform: rotate(270deg);
    font-size: 15px;
    font-family: MarkPro;
    letter-spacing: 0.2em;
}

    .about-main-qm .q {
        color: #18585f;
    }

    .about-main-qm .m {
        color: #bacccf;
    }

.about-description-container {
    background-color: #f5f5f5;
    padding: 41px 0 49px 0;
    font-size: 16px;
    line-height: 30px;
    margin-top: 80px;
}

div[aria-expanded=true] {
    margin-bottom: 36px;
}

.laminate-container {
    padding: 30px 0 10px 0;
    text-align: center;
    margin: 50px 0 0 0;
    height: 602px;
    position: relative;
}

    .laminate-container:before {
        content: "";
        background-color: #f5f5f5;
        width: 700px;
        height: 466px;
        position: absolute;
        top: 0;
        left: 0.07%;
    }

    .laminate-container .cover {
        position: absolute;
        left: calc(0.07% + 30px);
        top: 27px;
        color: #c8c8c8;
        height: 575px;
    }

.laminate-des-box {
    background-color: rgba(245, 245, 245, 0.90);
    width: 540px;
    position: absolute;
    top: 305px;
    right: 0.07%;
    text-align: right;
}

    .laminate-des-box h4 {
        font-family: YekanBakh-Bold;
        font-size: 30px;
        line-height: 46px;
        margin-top: 20px;
        padding: 0 30px;
    }

.laminate-text {
    font-size: 18px;
    line-height: 28px;
    margin-bottom: 20px;
    padding: 0 30px;
}

.feature-container {
    margin-top: 110px;
}

    .feature-container header h4 {
        font-family: YekanBakh-Bold;
        font-size: 30px;
        line-height: 46px;
        margin-bottom: 10px;
    }

    .feature-container header h5 {
        font-size: 25px;
        line-height: 39px;
    }

.feature-row {
    display: flex;
    width: 100%;
}

.feature-item {
    display: flex;
    flex: 1;
    justify-content: flex-start;
    align-items: center;
    padding-top: 35px;
}

    .feature-item.gray {
        background-color: #f5f5f5;
        padding-right: 35px;
        margin-left: 60px;
    }

.feature-row:last-child .feature-item {
    padding-bottom: 35px;
}

.features {
    margin: 50px 0 120px 0;
}

.feature-item span {
    font-size: 28px;
    font-family: YekanBakh-Medium;
    margin-right: 27px;
    line-height: 40px;
}

.certificate-container {
    margin-bottom: 120px;
}

.certificate-row1 {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 59px;
}

.certificate-row2 {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.certificate-item {
    cursor: pointer;
}

    .certificate-item img {
        margin-bottom: 20px;
        height: 480px;
        transition: all .15s ease-in-out;
        -moz-transition: all .15s ease-in-out; /* firefox */
        -webkit-transition: all .15s ease-in-out; /* safari and chrome */
        -o-transition: all .15s ease-in-out; /* opera */
        -ms-transition: all .15s ease-in-out;
    }

.certificate-row2 .certificate-item {
    margin: 0 55px;
}

.certificate-item img:hover {
    box-shadow: 0px 6px 15px 4px rgba(0, 0, 0, 0.1);
}

.certificate-item span {
    display: block;
    text-align: center;
    font-family: Roboto-Medium;
    font-size: 28px;
    line-height: 33px;
    color: #18585F;
}

.modal-backdrop.in {
    background-color: rgba(51, 51, 51, 0.95);
    opacity: 1;
}

#CertificateModal .modal-dialog {
    width: 440px;
}

#CertificateModal .modal-header {
    background: none;
    border: none;
    padding: 0;
}

#CertificateModal .close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 20px;
    font-family: fontello;
    color: #808080;
    opacity: 1;
    margin: 0;
    float: none;
    z-index: 2;
}

#CertificateModal .modal-content {
    background-color: #f5f5f5;
    border-radius:0;
}

#CertificateModal .modal-body {
    text-align: center;
    padding: 0;
    padding-top: 30px;
}

.certificate-item-modal img {
    margin-bottom: 20px;
    height: 450px;
}



.certificate-item-modal span {
    display: block;
    text-align: center;
    font-family: Roboto-Medium;
    font-size: 28px;
    line-height: 33px;
    color: #18585F;
    margin-bottom: 27px;
}

@media only screen and (min-width : 1400px) {
    #CertificateModal .modal-dialog {
        width: 580px;
    }

    #CertificateModal .modal-body {
        text-align: center;
        padding: 60px;
        padding-bottom: 0;
    }

    .certificate-item-modal img {
        margin-bottom: 20px;
        height: 654px;
    }

    .certificate-item-modal span {
        display: block;
        text-align: center;
        font-family: Roboto-Medium;
        font-size: 36px;
        line-height: 42px;
        color: #333;
        margin-bottom: 27px;
    }
}

@media only screen and (max-width : 480px) {
    .about-banner-img {
        width: 100%;
        height: 200px;
        background-size: 100% auto;
        background-repeat: no-repeat;
    }

    .about-banner-text {
        width: calc(100% - 80px);
        height: 178px;
        left: 0;
        right: 0;
        margin: auto;
        top: 126px;
    }

        .about-banner-text img {
            margin-top: 14px;
            margin-bottom: 15px;
            height: 50px;
        }

        .about-banner-text h1 {
            font-size: 18px;
            line-height: 28px;
            margin-bottom: 4px;
        }

        .about-banner-text h2 {
            font-size: 14px;
            line-height: 22px;
            margin-bottom: 7px;
        }

        .about-banner-text h5 {
            font-family: YekanBakh-Medium;
            font-size: 10px;
            line-height: 15px;
        }

            .about-banner-text h5 span {
                font-size: 10px;
                line-height: 15px;
                margin-right: 3px;
            }

    .about-description-container {
        background-color: #f5f5f5;
        padding: 20px 0 0 0;
        font-size: 11px;
        line-height: 22px;
        margin-top: 144px;
    }

    .laminate-container {
        padding: 30px 0 10px 0;
        text-align: center;
        margin: 40px 0 37px 0;
        height: 192px;
        position: relative;
    }

        .laminate-container:before {
            content: "";
            background-color: #f5f5f5;
            width: 200px;
            height: 160px;
            position: absolute;
            top: 0;
            left: 0.07%;
        }

        .laminate-container .cover {
            position: absolute;
            left: 14px;
            top: 14px;
            color: #c8c8c8;
            height: 178px;
        }

    .laminate-des-box {
        background-color: rgba(245, 245, 245, 0.90);
        width: 208px;
        height: 84px;
        position: absolute;
        top: 78px;
        right: 0;
        text-align: right;
    }

        .laminate-des-box h4 {
            font-family: YekanBakh-Bold;
            font-size: 12px;
            line-height: 19px;
            margin-top: 3px;
            padding: 0 10px;
        }

    .laminate-text {
        font-size: 9px;
        line-height: 13px;
        margin-bottom: 7px;
        padding: 0 10px 0 5px;
    }

    .laminate-pattern {
        height: 30px;
        overflow: hidden;
    }

    .feature-container {
        margin-top: 0;
        margin-bottom: 50px;
    }

        .feature-container header h4 {
            font-size: 14px;
            line-height: 22px;
            margin-bottom: 2px;
        }

        .feature-container header h5 {
            font-size: 12px;
            line-height: 19px;
            margin-bottom: 10px;
        }

    .feature-item {
        padding-top: 10px;
    }

        .feature-item:first-child {
            padding-top: 0;
        }

        .feature-item img {
            height: 70px;
        }


    .features {
        margin: 50px 0 120px 0;
    }

    .feature-item span {
        font-size: 14px;
        font-family: YekanBakh-Medium;
        margin-right: 19px;
        line-height: 20px;
    }

    .carousel-feature-container {
        padding: 0 30px 0 10px;
        position: relative;
    }

    .carousel-feature-col {
        width: 100%;
    }

    .carousel-feature-container .btn-carousel-prev {
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        height: 12px;
        width: 21px;
        background-image: url(../Images/prev-xs.png);
    }

    .carousel-feature-container .btn-carousel-next {
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        height: 12px;
        width: 21px;
        background-image: url(../Images/next-xs.png);
    }


    .btn-more {
        background-color: #f5f5f5;
        position: absolute;
        margin-top: -36px;
        background-image: url(../Images/angle-down.png);
        background-repeat: no-repeat;
        background-position: center;
        height: 36px;
    }

    .btn-close {
        background-color: #f5f5f5;
        position: absolute;
        background-image: url(../Images/angle-up.png);
        background-repeat: no-repeat;
        background-position: center;
        height: 36px;
        margin-top: -36px;
    }

    .carousel-certificate-container {
        padding: 0 65px;
        position: relative;
        margin-bottom: 44px;
    }

        .carousel-certificate-container .btn-carousel-prev {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            margin-top: -21px;
            height: 12px;
            width: 21px;
            background-image: url(../Images/prev-xs.png);
        }

        .carousel-certificate-container .btn-carousel-next {
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            margin-top: -21px;
            height: 12px;
            width: 21px;
            background-image: url(../Images/next-xs.png);
        }

    .certificate-item {
        width: 100%;
    }

        .certificate-item img {
            margin-bottom: 9px;
            height: 282px;
            width: 200px;
        }

        .certificate-item span {
            font-size: 18px;
            line-height: 21px;
        }



    #CertificateModal .modal-dialog {
        width: calc(100% - 30px);
        margin: 0;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
    }

    #CertificateModal .modal-body {
        padding-top: 56px;
    }

    .certificate-item-modal img {
        margin-bottom: 20px;
        height: 395.3px;
    }
}