diff --git a/quartz/styles/custom.scss b/quartz/styles/custom.scss
index b0c09dcb9..0a570291c 100644
--- a/quartz/styles/custom.scss
+++ b/quartz/styles/custom.scss
@@ -1,3 +1,17 @@
 @use "./base.scss";
 
 // put your custom CSS here!
+
+/* 图片居中 */
+img {
+    display: block;
+    margin-left: auto;
+    margin-right: auto;
+}
+/* 高亮美化 */
+.text-highlight {
+	background-color:#3463ffce;
+    color: white;
+	border-radius: 5px;
+	padding: 2px;
+}