_header.scss

.header {
    &:after {
        content: "";
        display: block;
        width: 100%;
        height: 5px;
        background-image: url(../images/header-bkgd.png);
    }
    .logo-area {
        .logo {
            @media (max-width: $screen-xs-min - 1) {
                width: 25px;
                height: 45px;
                overflow-x: hidden;
                background: url(../images/site-logo-mobile.png) no-repeat 0 0;
            }
        }
        img {
            @media (max-width: $screen-xs-min - 1) {
                display: none;
            }
        }
    }

    .admin-title {
        font-weight: 300;
        font-size: $font-size-large;
    }
}