Fix some night mode colors

We have some issues with night mode and the font color. This should fix
this in the permission table and the delete node modal. As well as some
picture styling.

Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>

public/css/index.css

@@ -310,7 +310,16 @@ body.night{
     overflow: hidden;
 }
 
-.night .dropdown-menu{
+.night .dropdown-menu > li > a {
+    color: #eee;
+}
+
+.night .dropdown-menu > li > a:focus,
+.night .dropdown-menu > li > a:hover {
+  color: #262626
+}
+
+.night .dropdown-menu {
     background: #222;
 }
 

public/css/markdown.css

@@ -214,3 +214,7 @@
 .markdown-body figure {
     margin: 1em 40px;
 }
+
+.markdown-body img {
+    background-color: transparent;
+}