.chat_backgroundImg{
    width: auto;
    height: 100%;
    min-height: auto;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;
    background-position: center;
    background-image: url('https://images3.alphacoders.com/106/106327.jpg');
    text-align: center;
    /*color: white;*/

    /* Create the parallax scrolling effect */
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;

    color: #ffffff;
}