.certificate-header > figure > a {
    background: url(/custom_resources/144314/logo/logo.png) no-repeat center;
    display: block;
    height: 120px;
    background-size: 200px;
    margin-top: 20px;
}

.certificate-header > figure > a > img {
    display: none;
}

@media (max-width: 400px) {
    .certificate-header > figure > a {
        float: none;
        width: auto;
        height: 80px;
	    background-size: 120px;
        margin-top: 5px;
        margin-bottom: 10px;
    }
}