allow tapping on body to clear tooltip

ts/src/stats/GraphsPage.svelte

@@ -97,6 +97,12 @@
     const all = i18n.tr(i18n.TR.STATISTICS_RANGE_ALL_HISTORY);
 </script>
 
+<style>
+    .no-focus-outline:focus {
+        outline: 0;
+    }
+</style>
+
 <div class="range-box">
     <div class="spin {refreshing ? 'active' : ''}">◐</div>
 
@@ -136,6 +142,7 @@
 </div>
 <div class="range-box-pad" />
 
+<div tabindex="-1" class="no-focus-outline">
     {#if sourceData}
         <TodayStats {sourceData} {i18n} />
         <FutureDue {sourceData} {i18n} />
@@ -148,3 +155,4 @@
         <ButtonsGraph {sourceData} {revlogRange} {i18n} />
         <AddedGraph {sourceData} {i18n} />
     {/if}
+</div>