Add gap and font-size function classes

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

@@ -0,0 +1,17 @@
+@use "sass:math";
+
+// Font size utility classes generator
+// Generates utility classes like .fs-14, .fs-16, etc.
+@for $i from 8 through 72 {
+    .fs-#{$i} {
+        font-size: rem-calc($i * 1px) !important;
+    }
+}
+
+// gap size utility classes generator
+// Generates utility classes like .gap-4
+@for $i from 1 through 35 {
+    .gap-#{$i} {
+        gap: rem-calc($i * 1px) !important;
+    }
+}