diff --git a/assets/css/bouquins.css b/assets/css/bouquins.css
new file mode 100644
index 0000000..1ac8b26
--- /dev/null
+++ b/assets/css/bouquins.css
@@ -0,0 +1,14 @@
+span.providericon {
+  display: inline-block;
+  vertical-align: middle;
+  background-size: 16px;
+  background-repeat: no-repeat;
+  width: 16px;
+  height: 16px;
+}
+.githubicon {
+  background-image: url(data:image/png;base64,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);
+}
+.googleicon {
+  background-image: url(data:image/png;base64,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);
+}
diff --git a/bouquins/github.go b/bouquins/github.go
index 2f81597..8b2622d 100644
--- a/bouquins/github.go
+++ b/bouquins/github.go
@@ -34,9 +34,9 @@ func (p GithubProvider) Label() string {
 	return "Github"
 }
 
-// Icon returns icon path for provider
+// Icon returns icon CSS class for provider
 func (p GithubProvider) Icon() string {
-	return "" // TODO
+	return "githubicon"
 }
 
 func (p GithubProvider) Config(conf *BouquinsConf) *oauth2.Config {
diff --git a/bouquins/google.go b/bouquins/google.go
index ccd7da5..97fbb28 100644
--- a/bouquins/google.go
+++ b/bouquins/google.go
@@ -40,7 +40,7 @@ func (p GoogleProvider) Label() string {
 
 // Icon returns icon path for provider
 func (p GoogleProvider) Icon() string {
-	return "" // TODO
+	return "googleicon"
 }
 
 func (p GoogleProvider) Config(conf *BouquinsConf) *oauth2.Config {
diff --git a/templates/header.html b/templates/header.html
index 044e224..ce9d85e 100644
--- a/templates/header.html
+++ b/templates/header.html
@@ -5,6 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta charset="utf-8" />
     <link rel="stylesheet" href="{{ assetUrl "bootstrap" "css" }}">
+    <link rel="stylesheet" href="{{ assetUrl "bouquins" "css" }}">
     <link rel="preload" href="{{ assetUrl "vue" "js" }}" as="script">
     <link rel="prefetch" href="{{ assetUrl "vue" "js" }}">
     <link rel="preload" href="{{ assetUrl "bouquins" "js" }}" as="script">
diff --git a/templates/provider.html b/templates/provider.html
index 481e316..0cf2b33 100644
--- a/templates/provider.html
+++ b/templates/provider.html
@@ -1,10 +1,11 @@
 {{ template "header.html" . }}
 <div class="container" id="provider">
-  <p>Veuillez sélectionner un mode d'authentification:<p>
-  <ul>
+  <div class="jumbotron">
+    <h1>Connexion</h1>
+    <p>Pour vous connecter, vous devez disposer d'un compte et vous authentifier chez un des fournisseurs ci-dessous. En cliquant sur un fournisseur, vous allez être redirigé vers une page d'authentification de ce fournisseur.</p>
 {{ range .Providers }}
     <!-- TODO icon -->
-    <li><a href="/login?provider={{ .Name }}">{{ .Label }}</a></li>
+    <a class="btn btn-default btn-lg" role="button" href="/login?provider={{ .Name }}">{{ if .Icon }}<span class="providericon {{ .Icon }}"></span>&nbsp;{{ end }}{{ .Label }}</a>
 {{ end }}
   </ul>
 </div>