.admin__menu .parent[data-ui-id^="menu-xtento-"] > a span:before,
.admin__menu .parent[data-ui-id^="menu-xtento-"] > strong span:before {
    display: inline-block;
    background: url(../images/logo-small.png) no-repeat;
    vertical-align: bottom;
    width: 16px;
    height: 21px;
    margin-right: 8px;
    content: '';
}

body[class^="xtento"] header h1.page-title:before {
    display: inline-block;
    background: url(../images/logo-medium.png) no-repeat;
    vertical-align: top;
    width: 25px;
    height: 34px;
    margin-right: 10px;
    content: '';
}

.config-nav-block.tab-xtento-extensions strong:before {
    display: inline-block;
    background: url(../images/logo-small.png) no-repeat;
    vertical-align: bottom;
    width: 16px;
    height: 19px;
    margin-right: 8px;
    content: '';
}