Update meta tags

Author: nikitahl

index.html

@@ -4,14 +4,17 @@
 	<title>CSS Base theme generator</title>
 
 	<meta charset="utf-8">
-	<meta desctiption="An online tool that help you to prototype and generate a base CSS theme on the fly">
+	<meta desctiption="An online tool for prototyping and generating a base CSS theme for your project">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
 
+	<meta name="twitter:card" content="summary">
+
 	<meta property="og:image" content="./src/img/apple-touch-icon.png">
-	<meta property="og:description" content="An online tool that help you to prototype and generate a base CSS theme on the fly">
+	<meta property="og:description" content="An online tool for prototyping and generating a base CSS theme for your project">
 	<meta property="og:title" content="CSS Base theme generator">
-
-	<meta name="twitter:description" content="An online tool that help you to prototype and generate a base CSS theme on the fly">
+	<meta property="og:url" content="https://nikitahl.github.io/css-base/" />
+	
+	<meta name="twitter:description" content="An online tool for prototyping and generating a base CSS theme for your project">
 	<meta name="twitter:title" content="CSS Base theme generator">
 
 	<!-- <link rel="apple-touch-icon" sizes="180x180" href="src/img/apple-touch-icon.png">