diff --git a/templates/about.html b/templates/about.html
index 6bfc414..828638b 100644
--- a/templates/about.html
+++ b/templates/about.html
@@ -37,7 +37,7 @@
 <p>
 
 {% for instance in mastodon_instances %}
-<a style='background-color:#282c37' class='btn{% if loop.first %} primary{% endif %}' href="{{ url_for('mastodon_login_step1', instance_url=instance.instance) }}">
+<a style='background-color:#282c37' class='btn primary' href="{{ url_for('mastodon_login_step1', instance_url=instance.instance) }}">
 {% if loop.first %}
     {{picture(st, 'mastodon', (20,40,80), ('webp', 'png'))}}
     Log in with
@@ -52,7 +52,7 @@
 {% endfor %}
 
 {% if mastodon_instances %}
-<a class='btn secondary ' href="{{ url_for('mastodon_login_step1') }}">
+<a class='btn secondary' href="{{ url_for('mastodon_login_step1') }}">
     Another Mastodon instance
 </a>
 {% endif %}