aaaa

2021-06-03 10:52:41 +08:00
parent c5f18c6051
commit 907511778b
54 changed files with 3540 additions and 50 deletions
--- a/teaching/heshubao/position.html
+++ b/teaching/heshubao/position.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+    <style>
+        *{
+            margin: 0;
+            padding: 0;
+        }
+        .box{
+            width: 600px;
+            height: 500px;
+            background: blue;
+            margin-top: 50px;
+            margin-left: 90px;
+            position:sticky;
+        }
+        .item{
+            width: 200px;
+            height: 200px;
+            background-color: yellow;
+            position: absolute;
+            top: 0;
+            left: 0;
+        }
+    </style>
+</head>
+<body>
+    <div class="box">
+        <div class="item"></div>
+    </div>
+</body>
+</html>