Div has disappear

Div has disappear

below is the coding of my div's...... but the Div_2 is not visible... where has this gone????

.css coding ___________________________________________________________

div.container
{
    background-image: url('../Images/hemkund-sahib-yatra-itinerary-and-places-to-stay.jpg');
    width: 985px;
    height: 150px;
    margin: 0px auto 0px auto;
    overflow: hidden;
    z-index: 1;
}

div.Div_1
{
    margin: 60px auto auto 700px;
    color: #FFFFFF;
    line-height: 150%;
    text-align: left;
    z-index: 2;
    width: 175px;
    font-family: verdana;
    font-size: 11px;
    position: relative;
    display: inline-block;
}
div.Div_2
{
    width: 70px;
    height: 122px;
    background-image: url('../Images/golden-temple-amritsar-tour-travel-guide.png');
    background-repeat: no-repeat;
    margin: 25px auto 0px 800px;
    z-index: 30;
    position: relative;
    display: inline-block;
    overflow: hidden;
    clear: none;
    visibility: visible;
}

html coding_________________________________________

    <div class="container">

    <div class="Div_1">
    Download Complimentary<br />
    Travel Guides to<br />
    Sri Harmandir Sahib<br />
    Amritsar
    </div>

    <div class="Div_2"></div>

    </div>