diff --git a/starter/09-Omnifood-Optimizations/script.js b/starter/09-Omnifood-Optimizations/script.js
new file mode 100644
index 000000000..7b9977244
--- /dev/null
+++ b/starter/09-Omnifood-Optimizations/script.js
@@ -0,0 +1,72 @@
+///////////////////////////////////////////////////////////
+// Fixing flexbox gap property missing in some Safari versions
+function checkFlexGap() {
+  var flex = document.createElement("div");
+  flex.style.display = "flex";
+  flex.style.flexDirection = "column";
+  flex.style.rowGap = "1px";
+
+  flex.appendChild(document.createElement("div"));
+  flex.appendChild(document.createElement("div"));
+
+  document.body.appendChild(flex);
+  var isSupported = flex.scrollHeight === 1;
+  flex.parentNode.removeChild(flex);
+  console.log(isSupported);
+
+  if (!isSupported) document.body.classList.add("no-flexbox-gap");
+}
+checkFlexGap();
+
+// https://unpkg.com/smoothscroll-polyfill@0.4.4/dist/smoothscroll.min.js
+
+/*
+.no-flexbox-gap .main-nav-list li:not(:last-child) {
+  margin-right: 4.8rem;
+}
+
+.no-flexbox-gap .list-item:not(:last-child) {
+  margin-bottom: 1.6rem;
+}
+
+.no-flexbox-gap .list-icon:not(:last-child) {
+  margin-right: 1.6rem;
+}
+
+.no-flexbox-gap .delivered-faces {
+  margin-right: 1.6rem;
+}
+
+.no-flexbox-gap .meal-attribute:not(:last-child) {
+  margin-bottom: 2rem;
+}
+
+.no-flexbox-gap .meal-icon {
+  margin-right: 1.6rem;
+}
+
+.no-flexbox-gap .footer-row div:not(:last-child) {
+  margin-right: 6.4rem;
+}
+
+.no-flexbox-gap .social-links li:not(:last-child) {
+  margin-right: 2.4rem;
+}
+
+.no-flexbox-gap .footer-nav li:not(:last-child) {
+  margin-bottom: 2.4rem;
+}
+
+@media (max-width: 75em) {
+  .no-flexbox-gap .main-nav-list li:not(:last-child) {
+    margin-right: 3.2rem;
+  }
+}
+
+@media (max-width: 59em) {
+  .no-flexbox-gap .main-nav-list li:not(:last-child) {
+    margin-right: 0;
+    margin-bottom: 4.8rem;
+  }
+}
+*/