Hi!
That looks like the search stylesheets are not loaded, or you perhaps have a page/asset cache that does not contain the plugin stylesheets yet. Make sure to clear all layers of cache (including CDN, cloudflare etc..) to make sure your server refreshes the CSS files.
I am seeing the correct layout, so it is very likely only a cache related problem: https://i.imgur.com/wrjfn7g.png
