Update index.md

docs/authentication/index.md

@@ -16,16 +16,12 @@ To get started, install the module on your platform:
 
 <Grid columns="2">
 	<Block
-		icon="android"
-		color="#A5C445"
 		title="Android"
 		to="/<< version >>/authentication/installation#android"
 	>
     Follow the Android installation guide.
 	</Block>
 	<Block
-		icon="ios"
-		color="#ffc107"
 		title="iOS"
 		to="/<< version >>/authentication/installation#ios"
 	>
@@ -45,7 +41,7 @@ To get started, install the module on your platform:
     Getting started with authentication? The quick guide will have you up and running in minutes. 
 	</Block>
 	<Block
-		icon="ios"
+		icon="school"
 		color="#4CAF50"
 		title="Guides"
 		to="/guides?tag=auth"
@@ -69,20 +65,14 @@ check out the resources below:
 
 <Grid>
 	<Block
-		icon="build"
-		color="#ffc107"
 		title="Stack Overflow"
 		to="https://stackoverflow.com/questions/tagged/react-native-firebase-auth"
 	/>
 	<Block
-		icon="ios"
-		color="#4CAF50"
 		title="Github Issues"
 		to="https://github.com/invertase/react-native-firebase/issues?utf8=%E2%9C%93&q=is%3Aissue+sort%3Aupdated-desc+label%3Aauth+"
 	/>
   <Block
-		icon="layers"
-		color="#03A9F4"
 		title="Firebase Documentation"
 		to="https://firebase.google.com/docs/auth/"
 	/>