diff --git a/module/block/view/dynamic.html.php b/module/block/view/dynamic.html.php
index 9be5e40bc3..b2414f6b04 100644
--- a/module/block/view/dynamic.html.php
+++ b/module/block/view/dynamic.html.php
@@ -1,3 +1,7 @@
+<style>
+.block-dynamic .timeline > li .timeline-text {display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;}
+.block-dynamic .timeline > li:hover .timeline-text {overflow: visible; text-overflow: normal; white-space: normal;}
+</style>
 <div class='panel-body'>
   <ul class="timeline timeline-tag-left no-margin">
     <?php