diff --git a/Extension/COVID_RAINBOW/manifest.json b/Extension/COVID_RAINBOW/manifest.json
new file mode 100644
index 0000000..9b81f63
--- /dev/null
+++ b/Extension/COVID_RAINBOW/manifest.json
@@ -0,0 +1,12 @@
+{
+    "manifest_version" :2,
+    "name" : "Coronavirus Immunity",
+    "version": "0.1.0",
+    "content_scripts": [
+        {
+            "matches": ["<all_urls>"],
+            "js": ["script.js"],
+            "css":["styles.css"]
+        }
+    ]
+}
diff --git a/Extension/COVID_RAINBOW/script.js b/Extension/COVID_RAINBOW/script.js
new file mode 100644
index 0000000..1260617
--- /dev/null
+++ b/Extension/COVID_RAINBOW/script.js
@@ -0,0 +1,16 @@
+replaceText(document.body)
+
+
+function replaceText(element){ 
+    if(element.hasChildNodes()){
+        element.childNodes.forEach(replaceText)
+    }
+    else if(element.nodeType == Text.TEXT_NODE){
+        if(element.textContent.match(/coronavirus/gi))
+        {
+            const newElement  = document.createElement('span')
+            newElement.innerHTML = element.textContent.replace(/(coronavirus)/gi,'<span class="rainbow">$1</span>')
+            element.replaceWith(newElement)
+        }
+    }
+}
\ No newline at end of file
diff --git a/Extension/COVID_RAINBOW/styles.css b/Extension/COVID_RAINBOW/styles.css
new file mode 100644
index 0000000..d39ef93
--- /dev/null
+++ b/Extension/COVID_RAINBOW/styles.css
@@ -0,0 +1,30 @@
+.rainbow {
+    animation : rainbow 600ms;
+    animation-iteration-count: infinite;
+
+}
+
+@keyframes rainbow {
+
+    0%{
+        color: red;
+    }
+    15%{
+        color: orange;
+    }
+    30%{
+        color: yellow;
+    }
+    45%{
+        color: green;
+    }
+    60%{
+        color: blue;
+    }
+    75%{
+        color:indigo;
+    }
+    90%{
+        color: violet;
+    }
+}