feat: more to explore (#360)

styles/global.css

@@ -64,6 +64,7 @@
 /* Force vertical scrollbar to be always visible to avoid layout shift while loading the content */
 body {
   overflow-y: scroll;
+  -webkit-tap-highlight-color: transparent;
 }
 
 .zen .zen-hide {
@@ -164,3 +165,13 @@ body {
   /* Prevent arbitrary zooming on mobile devices */
   touch-action: pan-x pan-y;
 }
+
+.sparkline--fill {
+  fill: var(--c-primary-active);
+  opacity: 0.2;
+}
+
+.sparkline--line {
+  stroke: var(--c-primary);
+  stroke-width: 2;
+}