-<%= select :status, nil, options_for_select(Issue.aasm.states.map(&:name).map{|state| [t("issues.states.#{state}"), state]}, params[:status]), { :include_blank => t(".select_status")}, data: { behavior: 'category_dropdown' } %>
-<%= select :issue_type, nil, options_for_select(@issue_types, params[:issue_type]), { :include_blank => t(".select_type")}, data: { behavior: 'category_dropdown' } %>
-<%= text_field_tag :search_by_user, params[:search_by_user], placeholder: t(".reported_user") %>
-<%= select :last_updated_by, nil, options_for_select(@users.all.collect{|f| [f.display_name, f.id]} << [ t(".not_updated"), "nil"], params[:last_updated_by]), { :include_blank => t(".select_last_updated_by")}, data: { behavior: 'category_dropdown' } %>
-<%= submit_tag t(".search"), :name => nil %>
+
+<%= form_tag(issues_path, :method => :get) do %>
+ <div class="form-row">
+ <div class="form-group col-md-auto">
+ <%= select_tag :status,
+ options_for_select(Issue.aasm.states.map(&:name).map { |state| [t(".states.#{state}"), state] }, params[:status]),
+ :include_blank => t(".select_status"),
+ :data => { :behavior => "category_dropdown" },
+ :class => "form-control custom-select" %>
+ </div>
+ <div class="form-group col-md-auto">
+ <%= select_tag :issue_type,
+ options_for_select(@issue_types, params[:issue_type]),
+ :include_blank => t(".select_type"),
+ :data => { :behavior => "category_dropdown" },
+ :class => "form-control custom-select" %>
+ </div>
+ <div class="form-group col-md">
+ <%= text_field_tag :search_by_user,
+ params[:search_by_user],
+ :placeholder => t(".reported_user"),
+ :class => "form-control" %>
+ </div>
+ <div class="form-group col-md-auto">
+ <%= select_tag :last_updated_by,
+ options_for_select(@users.all.collect { |f| [f.display_name, f.id] } << [t(".not_updated"), "nil"], params[:last_updated_by]),
+ :include_blank => t(".select_last_updated_by"),
+ :data => { :behavior => "category_dropdown" },
+ :class => "form-control custom-select" %>
+ </div>
+ <div class="form-group col-md-auto">
+ <%= submit_tag t(".search"), :name => nil, :class => "btn btn-primary" %>
+ </div>
+ </div>