h1 a:before {
    background: url("/media/logo-new-treeonly.png") center top no-repeat !important;
}
.logo {
    zoom: expression(
    this.runtimeStyle.zoom="1",
    /* ::before polyfill - creates <i class="ie-before"></i> */
    this.insertBefore( document.createElement("i"), this.firstChild ).className="ie-before",
    /* ::after polyfill - creates <i class="ie-after"></i> */
    this.appendChild( document.createElement("i") ).className="ie-after"
    );
}

.ie-before {
    background: url("/media/logo-new-treeonly.png") center top no-repeat !important;
    content: "home-icon";
    text-indent: -9999em;
    width: 95px;
    height: 85px;
    display: block;
    float: left;
    margin-right: 20px;
}