1 files changed, 3 insertions, 3 deletions
diff --git a/tools/mq_editor/viewer.js b/tools/mq_editor/viewer.js
index 3b2e1b2..76c57e2 100644
--- a/tools/mq_editor/viewer.js
+++ b/tools/mq_editor/viewer.js
@@ -312,10 +312,10 @@ class SpectrogramViewer {
     ctx.fill();
 
     // Dashed boundary lines
-    ctx.globalAlpha = 0.4;
+    ctx.globalAlpha = 0.75;
     ctx.strokeStyle = color;
-    ctx.lineWidth   = 1;
-    ctx.setLineDash([3, 4]);
+    ctx.lineWidth   = 1.5;
+    ctx.setLineDash([4, 3]);
     ctx.beginPath();
     ctx.moveTo(upper[0][0], upper[0][1]);
     for (let i = 1; i < upper.length; ++i) ctx.lineTo(upper[i][0], upper[i][1]);