first commit

2024-09-27 02:06:13 +08:00
commit 852d94fbb9
36760 changed files with 3274413 additions and 0 deletions
--- a/历届学生/zheng-yuqing/每天上课/2022-04-25/posititons.html
+++ b/历届学生/zheng-yuqing/每天上课/2022-04-25/posititons.html
@@ -0,0 +1,69 @@
+<!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>
+        body {
+            margin: 0;
+            height: 3000px;
+        }
+
+        .box {
+            width: 200px;
+            height: 200px;
+            float: left;
+        }
+
+        .box_1 {
+            background: red;
+            position: relative;
+            left: 273px;
+            top: 37px;
+        }
+
+        .box_2 {
+            background: blue;
+            position: relative;
+        }
+
+        .box_2_1 {
+            width: 100px;
+            height: 100px;
+            background: #000;
+            position: absolute;
+            left: 121px;
+            top: 7px;
+        }
+
+        .box_3 {
+            background: yellow;
+        }
+
+        .box_4 {
+            background: green;
+            position: fixed;
+            right: 0;
+            bottom: 0;
+        }
+
+        .box_5 {
+            background: plum;
+        }
+    </style>
+</head>
+
+<body>
+    <div class="box box_1"></div>
+    <div class="box box_2">
+        <div class="box_2_1"></div>
+    </div>
+    <div class="box box_3"></div>
+    <div class="box box_4"></div>
+    <div class="box box_5"></div>
+</body>
+
+</html>