#mainDiv{
    position: absolute;
    width: 100%;
    height: 90%;
    top: 10%;
    background-image: url(/static/image/background/contact_us.jpg);
    background-repeat: no-repeat;
    background-size: 100% auto;
}

#contentDiv{
    position: inherit;
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
}

#contentDiv{
    background-image: linear-gradient(to bottom,
    rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.85));
}


#contentDiv>p{
    text-indent: 3em;
    font-size: 1.5em;
}