Improve select2 css to match bootstrap style

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/generic/selects.scss

@@ -3,6 +3,10 @@
   .select2-choice {
     background: #FFF;
     border-color: #BBB;
+    padding: 6px 12px;
+    font-size: 13px;
+    line-height: 18px;
+    height: auto;
 
     .select2-arrow {
       background: #FFF;
@@ -10,6 +14,17 @@
   }
 }
 
+.select2-container-multi .select2-choices {
+  @include border-radius(4px)
+}
+
+.select2-container-multi .select2-choices .select2-search-field input {
+  padding: 6px 12px;
+  font-size: 13px;
+  line-height: 18px;
+  height: auto;
+}
+
 .select2-drop-active {
   border: 1px solid #BBB !important;
   margin-top: 4px;

app/assets/stylesheets/sections/tree.scss

@@ -4,6 +4,10 @@
     width: 100%;
   }
 
+  .breadcrumb {
+    padding: 2px 0;
+  }
+
   .tree_progress {
     display: none;
     margin: 20px;
@@ -122,9 +126,17 @@
   }
 }
 
+.tree-download-holder .btn {
+  padding: 4px 12px;
+}
+
 .tree-ref-holder {
   float: left;
-  margin-top: 8px;
+  margin-right: 6px;
+
+  .select2-container .select2-choice, .select2-container.select2-drop-above .select2-choice {
+    padding: 4px 12px;
+  }
 }
 
 .readme-holder {

app/views/projects/issues/_form.html.haml

@@ -35,7 +35,7 @@
         .col-sm-10
           = project_users_select_tag('issue[assignee_id]', placeholder: 'Select a user', class: 'custom-form-control', selected: @issue.assignee_id)
            
-          = link_to 'Assign to me', '#', class: 'btn btn-small assign-to-me-link'
+          = link_to 'Assign to me', '#', class: 'btn assign-to-me-link'
     .form-group
       .issue-milestone
         = f.label :milestone_id, class: 'control-label' do

app/views/projects/merge_requests/_form.html.haml

@@ -37,7 +37,7 @@
         .col-sm-10
           = project_users_select_tag('merge_request[assignee_id]', placeholder: 'Select a user', class: 'custom-form-control', selected: @merge_request.assignee_id)
            
-          = link_to 'Assign to me', '#', class: 'btn btn-small assign-to-me-link'
+          = link_to 'Assign to me', '#', class: 'btn assign-to-me-link'
     .form-group
       .issue-milestone
         = f.label :milestone_id, class: 'control-label' do

app/views/projects/tree/_tree.html.haml

 %ul.breadcrumb
   %li
-    %i.icon-angle-right
     = link_to project_tree_path(@project, @ref) do
       = @project.path
   - tree_breadcrumbs(tree, 6) do |title, path|

app/views/projects/tree/show.html.haml

-%div.tree-ref-holder
+.tree-ref-holder
   = render 'shared/ref_switcher', destination: 'tree', path: @path
+
 - if can? current_user, :download_code, @project
-  = render 'projects/repositories/download_archive', ref: @ref, btn_class: 'btn-group-small pull-right', split_button: true
-%div#tree-holder.tree-holder
+  .tree-download-holder
+    = render 'projects/repositories/download_archive', ref: @ref, btn_class: 'btn-group-small pull-right hidden-xs', split_button: true
+
+#tree-holder.tree-holder.clearfix
   = render "tree", tree: @tree