diff --git a/build/asset-manifest.json b/build/asset-manifest.json
index 03a8b6a..cf0b5ff 100644
--- a/build/asset-manifest.json
+++ b/build/asset-manifest.json
@@ -1,6 +1,6 @@
 {
   "files": {
-    "main.css": "/learn-morse-code/static/css/main.2db8c091.chunk.css",
+    "main.css": "/learn-morse-code/static/css/main.4f0d7525.chunk.css",
     "main.js": "/learn-morse-code/static/js/main.3ab0d3fb.chunk.js",
     "main.js.map": "/learn-morse-code/static/js/main.3ab0d3fb.chunk.js.map",
     "runtime-main.js": "/learn-morse-code/static/js/runtime-main.aaeeb903.js",
@@ -8,9 +8,9 @@
     "static/js/2.cb350622.chunk.js": "/learn-morse-code/static/js/2.cb350622.chunk.js",
     "static/js/2.cb350622.chunk.js.map": "/learn-morse-code/static/js/2.cb350622.chunk.js.map",
     "index.html": "/learn-morse-code/index.html",
-    "precache-manifest.433f6dee04234d9f61b61c82d023fae9.js": "/learn-morse-code/precache-manifest.433f6dee04234d9f61b61c82d023fae9.js",
+    "precache-manifest.5813e840b958136511c9ffb62c05b644.js": "/learn-morse-code/precache-manifest.5813e840b958136511c9ffb62c05b644.js",
     "service-worker.js": "/learn-morse-code/service-worker.js",
-    "static/css/main.2db8c091.chunk.css.map": "/learn-morse-code/static/css/main.2db8c091.chunk.css.map",
+    "static/css/main.4f0d7525.chunk.css.map": "/learn-morse-code/static/css/main.4f0d7525.chunk.css.map",
     "static/js/2.cb350622.chunk.js.LICENSE": "/learn-morse-code/static/js/2.cb350622.chunk.js.LICENSE",
     "static/media/electronic_key.jpg": "/learn-morse-code/static/media/electronic_key.cd2cf560.jpg",
     "static/media/straight_key.jpg": "/learn-morse-code/static/media/straight_key.f140bc7b.jpg"
@@ -18,7 +18,7 @@
   "entrypoints": [
     "static/js/runtime-main.aaeeb903.js",
     "static/js/2.cb350622.chunk.js",
-    "static/css/main.2db8c091.chunk.css",
+    "static/css/main.4f0d7525.chunk.css",
     "static/js/main.3ab0d3fb.chunk.js"
   ]
 }
\ No newline at end of file
diff --git a/build/index.html b/build/index.html
index a8a746b..5187b0b 100644
--- a/build/index.html
+++ b/build/index.html
@@ -1 +1 @@
-<!doctype html><html lang="en"><head><meta charset="utf-8"/><link rel="icon" href="/learn-morse-code/favicon.ico"/><meta name="viewport" content="width=device-width,initial-scale=1"/><meta name="theme-color" content="#000000"/><meta name="description" content="Web site created using create-react-app"/><link rel="apple-touch-icon" href="/learn-morse-code/logo192.png"/><link rel="manifest" href="/learn-morse-code/manifest.json"/><link href="https://cdn.jsdelivr.net/npm/remixicon@2.2.0/fonts/remixicon.css" rel="stylesheet"><title>Learn Morse Code</title><link href="/learn-morse-code/static/css/main.2db8c091.chunk.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div><script>!function(c){function e(e){for(var r,t,n=e[0],o=e[1],u=e[2],l=0,a=[];l<n.length;l++)t=n[l],Object.prototype.hasOwnProperty.call(i,t)&&i[t]&&a.push(i[t][0]),i[t]=0;for(r in o)Object.prototype.hasOwnProperty.call(o,r)&&(c[r]=o[r]);for(s&&s(e);a.length;)a.shift()();return p.push.apply(p,u||[]),f()}function f(){for(var e,r=0;r<p.length;r++){for(var t=p[r],n=!0,o=1;o<t.length;o++){var u=t[o];0!==i[u]&&(n=!1)}n&&(p.splice(r--,1),e=l(l.s=t[0]))}return e}var t={},i={1:0},p=[];function l(e){if(t[e])return t[e].exports;var r=t[e]={i:e,l:!1,exports:{}};return c[e].call(r.exports,r,r.exports,l),r.l=!0,r.exports}l.m=c,l.c=t,l.d=function(e,r,t){l.o(e,r)||Object.defineProperty(e,r,{enumerable:!0,get:t})},l.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},l.t=function(r,e){if(1&e&&(r=l(r)),8&e)return r;if(4&e&&"object"==typeof r&&r&&r.__esModule)return r;var t=Object.create(null);if(l.r(t),Object.defineProperty(t,"default",{enumerable:!0,value:r}),2&e&&"string"!=typeof r)for(var n in r)l.d(t,n,function(e){return r[e]}.bind(null,n));return t},l.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return l.d(r,"a",r),r},l.o=function(e,r){return Object.prototype.hasOwnProperty.call(e,r)},l.p="/learn-morse-code/";var r=this["webpackJsonplearn-morse-code"]=this["webpackJsonplearn-morse-code"]||[],n=r.push.bind(r);r.push=e,r=r.slice();for(var o=0;o<r.length;o++)e(r[o]);var s=n;f()}([])</script><script src="/learn-morse-code/static/js/2.cb350622.chunk.js"></script><script src="/learn-morse-code/static/js/main.3ab0d3fb.chunk.js"></script></body></html>
\ No newline at end of file
+<!doctype html><html lang="en"><head><meta charset="utf-8"/><link rel="icon" href="/learn-morse-code/favicon.ico"/><meta name="viewport" content="width=device-width,initial-scale=1"/><meta name="theme-color" content="#000000"/><meta name="description" content="Web site created using create-react-app"/><link rel="apple-touch-icon" href="/learn-morse-code/logo192.png"/><link rel="manifest" href="/learn-morse-code/manifest.json"/><link href="https://cdn.jsdelivr.net/npm/remixicon@2.2.0/fonts/remixicon.css" rel="stylesheet"><title>Learn Morse Code</title><link href="/learn-morse-code/static/css/main.4f0d7525.chunk.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div><script>!function(c){function e(e){for(var r,t,n=e[0],o=e[1],u=e[2],l=0,a=[];l<n.length;l++)t=n[l],Object.prototype.hasOwnProperty.call(i,t)&&i[t]&&a.push(i[t][0]),i[t]=0;for(r in o)Object.prototype.hasOwnProperty.call(o,r)&&(c[r]=o[r]);for(s&&s(e);a.length;)a.shift()();return p.push.apply(p,u||[]),f()}function f(){for(var e,r=0;r<p.length;r++){for(var t=p[r],n=!0,o=1;o<t.length;o++){var u=t[o];0!==i[u]&&(n=!1)}n&&(p.splice(r--,1),e=l(l.s=t[0]))}return e}var t={},i={1:0},p=[];function l(e){if(t[e])return t[e].exports;var r=t[e]={i:e,l:!1,exports:{}};return c[e].call(r.exports,r,r.exports,l),r.l=!0,r.exports}l.m=c,l.c=t,l.d=function(e,r,t){l.o(e,r)||Object.defineProperty(e,r,{enumerable:!0,get:t})},l.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},l.t=function(r,e){if(1&e&&(r=l(r)),8&e)return r;if(4&e&&"object"==typeof r&&r&&r.__esModule)return r;var t=Object.create(null);if(l.r(t),Object.defineProperty(t,"default",{enumerable:!0,value:r}),2&e&&"string"!=typeof r)for(var n in r)l.d(t,n,function(e){return r[e]}.bind(null,n));return t},l.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return l.d(r,"a",r),r},l.o=function(e,r){return Object.prototype.hasOwnProperty.call(e,r)},l.p="/learn-morse-code/";var r=this["webpackJsonplearn-morse-code"]=this["webpackJsonplearn-morse-code"]||[],n=r.push.bind(r);r.push=e,r=r.slice();for(var o=0;o<r.length;o++)e(r[o]);var s=n;f()}([])</script><script src="/learn-morse-code/static/js/2.cb350622.chunk.js"></script><script src="/learn-morse-code/static/js/main.3ab0d3fb.chunk.js"></script></body></html>
\ No newline at end of file
diff --git a/build/service-worker.js b/build/service-worker.js
index cc92a2d..fc29d37 100644
--- a/build/service-worker.js
+++ b/build/service-worker.js
@@ -14,7 +14,7 @@
 importScripts("https://storage.googleapis.com/workbox-cdn/releases/4.3.1/workbox-sw.js");
 
 importScripts(
-  "/learn-morse-code/precache-manifest.433f6dee04234d9f61b61c82d023fae9.js"
+  "/learn-morse-code/precache-manifest.5813e840b958136511c9ffb62c05b644.js"
 );
 
 self.addEventListener('message', (event) => {
diff --git a/src/css/App.css b/src/css/App.css
index 32c73d5..730eee5 100644
--- a/src/css/App.css
+++ b/src/css/App.css
@@ -114,7 +114,7 @@ html, body {
 #header #social-links div img {
   width: 40px;
   height: 40px;
-  opacity: 30%;
+  opacity: 0.3;
 }
 
 #header #social-links div img:hover {
@@ -324,7 +324,7 @@ html, body {
   font-family: "Roboto", sans-serif;
   font-size: 1.2rem;
   line-height: 1.5em;
-  opacity: 100%;
+  opacity: 1;
   -webkit-transition: all 500ms ease-in-out;
   transition: all 500ms ease-in-out;
 }
@@ -856,7 +856,7 @@ i[class*="ri-"] {
 
 @-webkit-keyframes hideOverlay {
   0% {
-    opacity: 100%;
+    opacity: 1;
   }
   100% {
     opacity: 0%;
@@ -865,7 +865,7 @@ i[class*="ri-"] {
 
 @keyframes hideOverlay {
   0% {
-    opacity: 100%;
+    opacity: 1;
   }
   100% {
     opacity: 0%;
