diff --git a/src/renderer/dom/DomRenderer.ts b/src/renderer/dom/DomRenderer.ts
index ea3ac5d9..01d5c7dc 100644
--- a/src/renderer/dom/DomRenderer.ts
+++ b/src/renderer/dom/DomRenderer.ts
@@ -174,9 +174,9 @@ export class DomRenderer extends Disposable implements IRenderer {
     // Blink animation
     styles +=
         `@keyframes blink {` +
-        ` 0 % { opacity: 1.0; }` +
+        ` 0% { opacity: 1.0; }` +
         ` 50% { opacity: 0.0; }` +
-        ` 100 % { opacity: 1.0; }` +
+        ` 100% { opacity: 1.0; }` +
         `}`;
     // Cursor
     styles +=