diff --git a/css/PureSuck_Style.css b/css/PureSuck_Style.css
index 69c62d8..7223315 100644
--- a/css/PureSuck_Style.css
+++ b/css/PureSuck_Style.css
@@ -13,6 +13,14 @@
 	--hover-color: #f8f8f8;
 	/* Light 颜色变量 */
 }
+.post-title::after {
+    content: '';
+    position: absolute;
+    display: block;
+    background: #2a2a2a;
+    bottom: 5px;
+    left: 0;
+}
 
 
 [data-theme="dark"] {