.site-branding {
  display: none;
}

.home .site-branding {
  display: inherit;
}

@media screen and (min-width: 48em)
{.page.page-one-column .entry-header, .twentyseventeen-front-page.page-one-column .entry-header, .archive.page-one-column:not(.has-sidebar) .page-header {
    margin-bottom: 0px; 
}}