nav li:nth-child(2) {
    border-bottom: 2px solid white;
}

header {
    background: linear-gradient(to top, #3ABFBC, rgba(58, 191, 188, 0) 30%), url('https://visionone.com.my/wp-content/uploads/2016/02/Oil-and-Gas.jpg') center/cover no-repeat;
    background-position: 10% 75%;
    position: relative;
    height: 450px;
}

header::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, #3ABFBC, rgba(58, 191, 188, 0) 40%);
}

#intro {
    position: relative;
    padding: 40px 120px;
    background-color: #3ABFBC;
    color: #efefefd8;
}

#intro h2 {
    max-width: 500px;
    font-size: 40px;
    line-height: normal;
    margin-bottom: 20px;
    color: #fff;
}

#solution-enabler,
#our-mission {
    position: relative;
    display: flex;
    align-items: center;
}

#solution-enabler h2,
#our-mission h2,
#solution-enabler .text-top,
#our-mission .text-top {
    color: #3ABFBC;
}

#solution-enabler {
    padding: 40px 280px 60px 120px;
    background: linear-gradient(to right, #fff, rgba(255, 255, 255, 0) 50%), url('https://visionone.com.my/wp-content/uploads/2015/07/serv6.jpg') right no-repeat;
    background-size: 50% auto;
    height: 300px;
}

#solution-enabler .details {
    margin-top: 20px;
}

#our-mission {
    padding: 30px 200px 200px 120px;
    background: linear-gradient(to left, #fff, rgba(255, 255, 255, 0) 50%), url('https://visionone.com.my/wp-content/uploads/2015/07/serv7.jpg') left no-repeat;
    background-size: 51% auto;
    height: 300px;
}

#solution-enabler .text,
#our-mission .text {
    width: 50%;
}

#our-mission .text {
    padding-left: 800px;
    text-align: right;
}

@media screen and (max-width: 767px) {
    nav li:nth-child(2) {
        border-bottom: 2px solid white;
    }

    header {
        background: linear-gradient(to top, #3ABFBC, rgba(58, 191, 188, 0) 70%), url('https://visionone.com.my/wp-content/uploads/2016/02/Oil-and-Gas.jpg') center/cover no-repeat;
        background-attachment: scroll;
        position: relative;
        height: 200px;
    }

    header::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 200px;
        background: linear-gradient(to top, #3ABFBC, rgba(58, 191, 188, 0) 40%);
    }

    #intro {
        position: relative;
        padding: 20px;
        background-color: #3ABFBC;
        color: #efefef;
    }

    #intro h2 {
        max-width: 600px;
        font-size: 30px;
        line-height: normal;
        margin-bottom: 20px;
        color: #fff;
    }

    #solution-enabler,
    #our-mission {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 20px;
    }

    #solution-enabler h2,
    #our-mission h2,
    #solution-enabler .text-top,
    #our-mission .text-top {
        color: #3ABFBC;
        text-align: center;
    }

    #solution-enabler {
        background: url('https://visionone.com.my/wp-content/uploads/2015/07/serv6.jpg') center/cover no-repeat;
        height: auto;
    }

    #solution-enabler .details {
        margin-top: 10px;
    }

    #our-mission {
        background: url('https://visionone.com.my/wp-content/uploads/2015/07/serv7.jpg') center/cover no-repeat;
        height: auto;
    }

    #solution-enabler .text,
    #our-mission .text {
        width: 100%;
        padding-left: 0;
        text-align: center;
        color: #fff;
    }

    #our-mission{
        padding-bottom: 150px;
    }
}