diff --git a/src/renderer/style.less b/src/renderer/style.less
index a133722f..3345a79b 100644
--- a/src/renderer/style.less
+++ b/src/renderer/style.less
@@ -3422,6 +3422,15 @@ input[type="range"].web-slider.display--small::-webkit-slider-thumb {
         pointer-events: none;
         font-weight: 500;
         font-size: 1.6em;
+        text-shadow:
+                  -1px -1px 0 #000,
+                  0   -1px 0 #000,
+                  1px -1px 0 #000,
+                1px  0   0 #000,
+                1px  1px 0 #000,
+                0    1px 0 #000,
+                -1px  1px 0 #000,
+                -1px  0   0 #000;
 
         &:not(.active) {
           display: none;