Add Solarized Dark theme

browser/main/Detail/Detail.styl

@@ -22,3 +22,9 @@ body[data-theme="dark"]
     background-color $ui-dark-backgroundColor
   .empty-message
     color $ui-dark-inactive-text-color
+    
+body[data-theme="solarized-dark"]
+  .root
+    background-color $ui-solarized-dark-noteDetail-backgroundColor
+  .empty-message
+    color $ui-solarized-dark-text-color

browser/main/Detail/MarkdownNoteDetail.styl

@@ -3,7 +3,7 @@
 
 .root
   absolute top right bottom
-  border-left 1px solid alpha(#DEDEDE, 60%)
+  border-left 1px solid $ui-solarized-dark-borderColor
   background-color $ui-noteDetail-backgroundColor
   box-shadow none
   padding 20px 40px

browser/main/Detail/NoteDetailInfo.styl

@@ -101,3 +101,4 @@ body[data-theme="solarized-dark"]
   .info
     border-color $ui-solarized-dark-borderColor
     background-color $ui-solarized-dark-noteDetail-backgroundColor
+    

browser/main/Detail/TagSelect.styl

@@ -63,4 +63,20 @@ body[data-theme="dark"]
   .newTag
     border-color none
     background-color transparent
-    color $ui-dark-text-color
+    color $ui-dark-text-color
+    
+body[data-theme="solarized-dark"]
+  .tag
+    background-color $ui-solarized-dark-tag-backgroundColor
+
+  .tag-removeButton
+    border-color $ui-button--focus-borderColor
+    background-color transparent
+
+  .tag-label
+    color $ui-solarized-dark-text-color
+
+  .newTag
+    border-color none
+    background-color transparent
+    color $ui-solarized-dark-text-color