.content-txt-div:nth-child(1){
    background-image: url('../images/discusion-bg.jpg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.content-txt-div:nth-child(2){
    background-image: url('../images/award-bg.jpg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.content-txt-div:nth-child(3){
    background-image: url('../images/Brainstorming-bg.jpg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.bannerDiscription .bannerTxt h2{
    font-size: 40px;
}

.bannerDiscription .powerListLogo{
    width:40%;
}

.ctd-head h3{
    font-size: 30px;
    margin-bottom: 20px;
    line-height: 50px;
}

.zf-start-div{
    float: left;
    margin: 107px 0;
}


@media (max-width: 1199px){
    .bannerDiscription .bannerTxt h2{
        font-size: 36px;
        line-height: 55px;
    }

    .bannerDiscription .powerListLogo{
        width: 30%;
    }
}

@media (max-width: 991px){
    .bannerDiscription .bannerTxt h2{
        font-size: 31px;
        line-height: 50px;
    }
}

@media (max-width: 767px){
    .bannerDiscription .bannerTxt h2{
        font-size: 25px;
        line-height: 45px;
    }

    .bannerDiscription .powerListLogo{
        width:36%;
    }
}

@media (max-width: 575px){
    .bannerDiscription .bannerTxt h2{
        font-size: 22px;
        line-height:36px;
    }

    .bannerDiscription .powerListLogo{
        width: 40%;
    }
}

@media (max-width: 468px){
    .bannerDiscription .bannerTxt h2 {
        font-size: 22px;
        line-height: 30px;
    }

    .bannerDiscription .powerListLogo{
        width: 65%;
    }
}