Overhaul the look of tags; integrate a category and a cute little triangle

static/styles/root.css

@@ -2,7 +2,9 @@
     --black: 0, 0, 0;
     --sub-dk-gray: 16, 16, 16;
     --dk-gray: 32, 32, 32;
+    --super-dk-gray: 80, 80, 80;
     --mid-gray: 128, 128, 128;
+    --sub-lt-gray: 175, 175, 175;
     --lt-gray: 223, 223, 223;
     --super-lt-gray: 240, 240, 240;
     --white: 255, 255, 255;
@@ -521,7 +523,15 @@ p:last-child { margin-block-end: 0; }
 
 .centered { text-align: center; }
 .float-right { float: right; }
+
 .nobreak { white-space: nowrap; }
+.noselect {
+    cursor: default;
+    -webkit-user-select: none;
+    -moz-use-select: none;
+    -ms-user-select: none;
+    user-select: none;
+}
 
 .platter {
     background: var(--background-color);