Add btn after mixin

falcon/_dev/css/theme/custom/abstracts/_mixins.scss

@@ -42,3 +42,32 @@
         @content;
     }
 }
+
+// Mixin to add an after pseudo-element with a mask image to customize button colors
+/* Example: 
+
+.btn{
+    &::after {
+        @include btn-after("../img/arrow-right.svg");
+    }
+}
+    
+*/
+
+@mixin btn-after($url, $color: currentColor) {
+    content: "";
+    display: inline-block;
+    width: 1em;
+    height: 1em;
+    margin-left: 0.5em;
+    vertical-align: middle;
+    background-color: currentColor;
+    mask-image: url(#{$url});
+    mask-size: contain;
+    mask-repeat: no-repeat;
+    mask-position: center;
+    -webkit-mask-image: url(#{$url});
+    -webkit-mask-size: contain;
+    -webkit-mask-repeat: no-repeat;
+    -webkit-mask-position: center;
+}