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/陈一航/2020-03-13/position.html
+++ b/历届学生/陈一航/2020-03-13/position.html
@@ -0,0 +1,58 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>定位</title>
+    <style>
+        body {
+            margin: 0;
+            height: 2000px;
+        }
+        .box {
+            width: 200px;
+            height: 200px;
+            float: left;
+        }
+        .box-1 {
+            background: red;
+            position: relative;
+            left: 40px;
+            top: 18px;
+            z-index: -1;
+        }
+        .box-2 {
+            background: yellow;
+            position: absolute;
+            z-index: -3;
+        }
+        .box-3 {
+            background: green;
+            position: relative;
+        }
+        .box-3-1 {
+            width: 100px;
+            height: 100px;
+            background: blue;
+            position: absolute;
+            left: -30px;
+            top: 140px;
+            z-index: -1;
+        }
+        .box-4 {
+            position: fixed;
+            right: 0;
+            bottom: 0;
+            background: palevioletred;  
+        }
+    </style>
+</head>
+<body>  
+    <div class="box box-1">1</div>
+    <div class="box box-2">2</div>
+    <div class="box box-3">
+        <div class="box-3-1">3-1</div>
+    </div>
+    <div class="box box-4">4</div>
+</body>
+</html>