Lighter background for navtree

src/styles/_project.sass

@@ -1,4 +1,4 @@
-$project-sidebar-background: $color-background-nav
+$project-sidebar-background: $color-background
 
 #project-container
 	display: flex
@@ -211,8 +211,7 @@ $project-sidebar-background: $color-background-nav
 	min-height: $project_header-height
 	width: 100%
 	background-color: $color-background-light
-	border-bottom: thin solid lighten($color-text-dark-hint, 10%)
-	box-shadow: -15px 5px 25px rgba(black, .2)
+	border-bottom: thin solid $color-background-dark
 
 	/* Name of the project */
 	.project-title

src/styles/base.sass

@@ -702,7 +702,6 @@ footer
 
 .tooltip
 	transition: none
-
 	&.in
 		opacity: 1
 

src/styles/plugins/_jstree.sass

@@ -1,7 +1,7 @@
 /* jsTree overrides */
 
-$tree-color-text: $color-text-light-primary
-$tree-color-highlight: white
+$tree-color-text: $color-text-dark-primary
+$tree-color-highlight: hsl(hue($color-background-active), 40%, 40%)
 $tree-color-highlight-background: hsl(hue($color-background-active), 40%, 40%)
 $tree-color-highlight-background-text: white