.menuCompany{
width: 100px;
background-image :url(../img/es/company.jpg);
}


.menuCertifications{
width            : 143px;
background-image : url(../img/es/certifications.jpg);
}

.menuCatalog{
width            : 107px;
background-image :url(../img/es/catalog.jpg);
}

.menuInfo{
width            : 97px;
background-image :url(../img/es/contact.jpg);
}