diff --git a/_mixins.sass b/_mixins.sass
index 20f4cc9..5b0e1ad 100644
--- a/_mixins.sass
+++ b/_mixins.sass
@@ -16,3 +16,15 @@
     duration: $speed
     iteration-count: infinite
     timing-function: linear
+
+@mixin animationPulse($speed: 1s, $size: 1rem, $color: black)
+  @keyframes animationPulse
+      from
+        box-shadow: 0 0 0 0 $color;
+      to
+        box-shadow: 0 0 0 $size transparentize($color, 1);
+  animation:
+    name: animationPulse
+    duration: $speed
+    iteration-count: infinite
+    timing-function: linear