.m-back
{
    position: fixed;
    z-index: 999996;
}
.loader-backdrop
{
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 999996;
    background-color: #000000;
    opacity: 0.3;
    filter: alpha(opacity=30);
}
.modal-loader
{
    position: fixed;
    top: 40%;
    left: 50%;
    z-index: 999998;
    overflow: auto;
    /* this width is your loading img's width */
    background-color: white;
    padding: 10px;
    border-radius: 9px 9px 9px 9px;
    -moz-border-radius: 9px 9px 9px 9px;
    -webkit-border-radius: 9px 9px 9px 9px;
    border: 3px dotted #c4c4c4;
}

.modal-loader-img
{
    width: 320px;
    height: 190px;
    position: fixed;
    left: 50%;
    top: 40%;
    margin-left: -160px;
    margin-top: -95px;
    z-index: 999998;
    background: url("../images/loaderform.gif");
}