centered Welcome Home content

src/app/views/welcome/home.pug

@@ -4,7 +4,7 @@ block content
   section.uk-section.uk-section-default
     .uk-container
       .uk-flex.uk-flex-center
-        .app-dialog.uk-width-auto
+        .app-dialog.uk-width-auto.uk-text-center
           div(uk-grid).uk-flex-center
             .uk-width-auto
               img(src=`/img/icon/${site.domainKey}/icon-256x256.png`).uk-border-rounded