• Please, put a border around the search text input box on the search website:
  https://docs.pagure.org/pagure/search.html

• White on white is hard to see.

• This hack looks better, from my point of view:
  

• Using Firefox web developer tools (Ctrl+Shift+i) I found the problem in CSS seems to be in the file:
  https://docs.pagure.org/pagure/_static/cloud.css
  at line 327:
  div.sphinxsidebar input, h1#search-documentation ~ form > input {
  border: 1px solid #FEFEFE;

#FEFEFE is nearly white.

I hope this edit will finally be displayed with dedicated paragraphs.