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/吴欣阳/每天课程/2021-06-01/media.html
+++ b/历届学生/吴欣阳/每天课程/2021-06-01/media.html
@@ -0,0 +1,67 @@
+<!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>media</title>
+    <style>
+        * {
+            margin: 0;
+            padding: 0;
+        }
+
+        .center div {
+            float: left;
+            height: 100%;
+        }
+        .center {
+            overflow: hidden;
+            width: 1200px;
+            margin: 0 auto;
+            height: 600px;
+        }
+        .left {
+            width: 200px;
+            background: red;
+        }
+        .content {
+            width: 800px;
+            background: #000;
+        }
+        .right {
+            width: 200px;
+            background: blue;
+        }
+
+        @media screen and (max-width: 900px) {
+            .right {
+                display: none;
+            }
+        }
+
+        @media screen and (max-width: 650px) {
+            .right {
+                display: none;
+            }
+            .left {
+                display: none;
+            }
+        }
+
+    </style>
+</head>
+
+<body>
+
+
+    <div class="center">
+        <div class="left"></div>
+        <div class="content"></div>
+        <div class="right"></div>
+    </div>
+
+</body>
+
+</html>