refactor: minor fixes
diff --git a/erpnext/www/lms/content.html b/erpnext/www/lms/content.html
index acdc54d..92cfec2 100644
--- a/erpnext/www/lms/content.html
+++ b/erpnext/www/lms/content.html
@@ -38,9 +38,9 @@
</div>
<div id="nav-buttons" class="col-md-5 text-right" {{ 'hidden' if content_type=='Quiz' }}>
{% if previous %}
- <a href="/lms/content?program={{ program }}&course={{ course }}&topic={{ topic }}&type={{ previous.content_type }}&content={{ previous.content }}" class='btn btn-outline-secondary'>Previous</a>
+ <a href="/lms/content?program={{ program }}&course={{ course }}&topic={{ topic }}&type={{ previous.content_type }}&content={{ previous.content }}" class='btn text-muted' style="box-shadow: none;">Previous</a>
{% else %}
- <a href="/lms/course?name={{ course }}&program={{ program }}" class='btn btn-outline-secondary'>Back to Course</a>
+ <a href="/lms/course?name={{ course }}&program={{ program }}" class='btn text-muted' style="box-shadow: none;">Back to Course</a>
{% endif %}
{% if next %}