.site-header #branding a {
    background-image: url(../img/logo2.png) !important; 
}

#colophon.dark #site-info .small-logo {
    background-image: url(../img/logo2_en.png);
}


@media (max-width: 979px) {
  .wrap-navigation .small-logo{
      background-image: url(../img/logo2.png) !important;     
  }
}