.cabecera #logo-MICINN-EX {
    height: 58px;
    float: left;
    background: transparent url(https://fecyt.es/sites/default/files/logos/presidencyeu.png) no-repeat scroll 0px 0px;
    background-size: 50px 58px;
    width: 50px;
    margin-top: 1px;
}