Looks like a variable’s name was changed and that broke the padding, I’ve just added a fix FIX: restore padding broken due to missing variable by awesomerobot · Pull Request #100 · discourse/discourse-search-banner · GitHub
So you should be able to restore the previous spacing by updating the component.
Yeah there’s a simpler version of the banner included in Discourse by default now, and there’s some CSS to hide it on mobile… it can be restored with some custom CSS
@use "lib/viewport";
@include viewport.until(sm) {
.welcome-banner {
display: block;
}
}