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/18课程/class18/课程/2020-10-12/position.html
+++ b/历届学生/18课程/class18/课程/2020-10-12/position.html
@@ -0,0 +1,70 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+    <style>
+        body {
+            margin: 0;
+            padding: 0;
+        }
+
+        .box {
+            width: 200px;
+            height: 200px;
+            border: 1px solid #000;
+            float: left;
+            margin-left: 10px;
+        }
+
+        .box-1 {
+            background: red;
+        }
+
+        .box-2 {
+            background: yellow;
+            position: relative;
+            left: 41px;
+            top: 40px;
+        }
+
+        .box-3 {
+            background: green;
+        }
+
+        .box-3-1 {
+            width: 100px;
+            height: 100px;
+            position: absolute;
+            background: plum;
+            left: 0px;
+            top: -1px;
+        }
+
+        .box-4 {
+            background: blue;
+            position: fixed;
+            right: 0;
+            bottom: 0
+        }
+
+
+    </style>
+</head>
+
+<body>
+
+
+    <div class="box box-1"> </div>
+    <div class="box box-2"></div>
+    <div class="box box-3">
+        <div class="box-3-1"></div>
+    </div>
+    <div class="box box-4"></div>
+    <div class="box">112</div>
+
+</body>
+
+</html>