.logo {
    background: url("../../../admin_dental_document.png") no-repeat;
    background-size: 170px 41px;
    width: 170px;
    height: 41px;

    display: block;
    margin-top: -5px;

    /* // margin: 51px 0 0 67px; */
    /* position: absolute; */
    /* left: 67px; */
    /* top: 51px; */

    overflow: hidden;
    text-indent: -300%;
    white-space: nowrap;
}