diff --git a/web/template/syzoj/problemset.php b/web/template/syzoj/problemset.php
index 64d7148..d60ddca 100644
--- a/web/template/syzoj/problemset.php
+++ b/web/template/syzoj/problemset.php
@@ -108,7 +108,7 @@
             $selected_hardness = 0;
         }
         ?>
-        <select id="hardness_select" class="ui dropdown" style="width: 120px; height: 28px; margin-left: 10px; vertical-align: middle;">
+        <select id="hardness_select" class="ui dropdown" style="width: 120px; min-height: 32px; line-height: 32px; margin-left: 10px; vertical-align: middle; padding-top: 0; padding-bottom: 0;">
           <option value="0" <?php if ($selected_hardness == 0)
             echo 'selected'; ?>>全部难度</option>
           <?php for ($h = 1; $h <= 8; $h++) {