The logo will appear small on the Extra theme. Please, go to your WordPress Dashboard > Divi > Theme Options > Custom CSS and add the following:


@media (max-width: 480px){

#logo{

    height: 110px !important;

    max-height: 110px !important;

    width: 130px !important;

    position: relative !important;

    top: -31px !important;

}

}

You can change this code according to your requirements.