img.header-row__logo-img {
    width: 100%;   
}

.site-logo {
    width: 20em;
}

@media only screen and (max-width: 1024px) {
    .site-logo {
      width: 16em;
    }    
}

@media only screen and (max-width: 360px) {
    .site-logo {
      width: 12em;
    }    
}