diff --git a/html5yucss3quanweizhinan/18.html b/html5yucss3quanweizhinan/18.html
new file mode 100644
index 0000000..ccf7cd6
--- /dev/null
+++ b/html5yucss3quanweizhinan/18.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8">
+        <title></title>
+        <style media="screen">
+            div{
+                width:300px;
+                margin:150px auto;
+                background-color:yellow;
+                text-align: center;
+                -webkit-transform:rotate(45deg);
+                -moz-transform:rotate(45deg);
+                -o-transform:rotate(45deg);
+            }
+        </style>
+    </head>
+    <body>
+        <div>示例文字</div>
+    </body>
+</html>
