css: clean up various unnecessary css.

app/javascript/src/styles/base/040_colors.css

@@ -130,7 +130,6 @@
 
   --fetch-source-data-border: 1px solid #666;
 
-  --post-mode-menu-view-background: white;
   --post-mode-menu-edit-background: #5C5;
   --post-mode-menu-tag-script-background: #D6D;
   --post-mode-menu-add-fav-background: #FFA;
@@ -382,7 +381,6 @@ body[data-user-theme="dark"] {
   --post-artist-commentary-container-background: var(--grey-3);
   --post-artist-commentary-container-border: 1px solid var(--grey-3);
 
-  --post-mode-menu-view-background: var(--body-background-color);
   --post-mode-menu-edit-background: var(--green-0);
   --post-mode-menu-tag-script-background: var(--indigo-0);
   --post-mode-menu-add-fav-background: var(--yellow-0);

app/javascript/src/styles/specific/artists.scss

@@ -1,21 +1,10 @@
-@import "../base/000_vars.scss";
-
 div#c-artists, div#excerpt {
   span.new-artist {
     font-weight: bold;
     color: var(--new-artist-color);
   }
 
-  ul ul {
-    margin-left: 1em;
-  }
-
-  div.recent-posts {
-    margin-top: 1em;
-
-    h1 {
-      font-size: $h2_size;
-      margin: 0;
-    }
+  .recent-posts h2 {
+    margin: 1em 0 0.5em;
   }
 }

app/javascript/src/styles/specific/favorites.scss

@@ -1,7 +0,0 @@
-@import "../base/000_vars.scss";
-
-div#c-favorites {
-  section#content > h1 {
-    font-size: $h3_size;
-  }
-}

app/javascript/src/styles/specific/post_mode_menu.scss

@@ -1,7 +1,3 @@
-body.mode-view {
-  background-color: var(--post-mode-menu-view-background);
-}
-
 body.mode-edit {
   background-color: var(--post-mode-menu-edit-background);
 }

app/javascript/src/styles/specific/post_versions.scss

@@ -1,7 +0,0 @@
-div#c-post-versions {
-  div#a-index {
-    tr.hilite {
-      background: var(--table-row-hover-color);
-    }
-  }
-}

app/javascript/src/styles/specific/saved_searches.scss

@@ -1,7 +0,0 @@
-#c-saved-searches {
-  #a-index {
-    table {
-      margin-bottom: 2em;
-    }
-  }
-}