<%# without a space after erb's closing tag, a / gets appended to css' path %>
Detected: nucleotide sequence(s).
Detected: protein sequence(s).
Detected: mixed nucleotide and protein sequences. We can't handle that. Please try one sequence at a time.

Nucleotide databases
<% settings.databases.values.select{|database| database.type == :nucleotide}.sort.each do |database| %> <% end %>
Protein databases
<% settings.databases.values.select{|database| database.type == :protein}.sort.each do |database| %> <% end %>