Dear Rob,i can't provide a link because it's an internal hr-form - not for the public. But see the screenshot attached. The bordered fields are repeater-fields. They are shown as one row after another by default. I want them to have a border or a shadow around. So that it's easier to see the beginning and the end of each block of reapeater-field entries.thanks, tom

Without the actual page, it's a guess. You can try adding the following CSS to the Before Fields section of the form (making sure to wrap it in the HTML style tags)
table.frm-line-table {
border-collapse: separate;
border-spacing: 0 50px;
}
Change 50px to whatever number makes it look better

i am not sure how to implement your style tags.For now i find the following tags inside the "before fields" section:<legend class="frm_screen_reader">[form_name]</legend>
[if form_name]<h3 class="frm_form_title">[form_name]</h3>[/if form_name]
[if form_description]<div class="frm_description">[form_description]</div>[/if form_description]  

which html-tag should i use to wrap your css suggestion?
thanks, tom

https://paste2.org/LGVctMY9

Sorry, but I can't take this any further without seeing the actual page. I'm sure others can CSS code without the page, but not me.