Add a title as text on top of a gallery page in Wells template?

Is it possible to add a title as h1 or h2 text on top of the gallery page for the Wells template. My example gallery page is 

https://architectureshooting.com/ausstellungsfotografie

Any tips are very appreciated!

You can use this code to bottom of Code Injection > Footer

<script>
  $(document).ready(function(){
    $('<h1 class="custom-h1">Markus Ausstellungsfotografie</h1>').insertBefore('body#collection-5702bb41859fd052a94c01d4 div#galleryWrapper');
});
</script>
<style>
  body#collection-5702bb41859fd052a94c01d4 div#galleryWrapper {
    top: 100px;
}
</style>

Thank  you so much, that's what I need! But I need a few small fixes. Unfortunately, now my image title and capture are also shifted down by the new line and are partially off screen when switched to single image / slide show mode, see screenshot. The user would need to scroll down a bit to see them.

A good solution for me would be if the new title would be active only when in thumbnail overwiev mode on the gallery page. Is this possible?

Also, is there a way to align the new title in my layout? I would like to have the text aligned to the top white border of my design, as in the following screenshot.