css 例子

2021-01-18 18:11:23 +08:00
parent dd41f144fc
commit 1c003714c3
43 changed files with 595 additions and 18 deletions
--- a/csspress/demo/margin.html
+++ b/csspress/demo/margin.html
@@ -0,0 +1,45 @@
+<!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>
+        .box{
+            width:1000px;
+            height:300px;
+            background: gold;
+        }
+        .box1{
+            width:50px;
+            height: 50px;
+            background:red;
+        }
+        .box2{
+            /* width:80px; */
+            height:50px;
+            background: blue;
+            margin-left: 20px;
+            margin-right: 20px;
+        }
+        .box3{
+            background:pink;
+        }
+    </style>
+</head>
+<body>
+        <div class="box1">aaa</div>
+        <div class="box2">bbb</div>
+
+        <p>
+            总结margin 一个值得时候定义的是上下左右四个方向的边距
+            <p>两个值得时候定义的前一个值是上下的边距  后面的值是左右的边距</p>
+            <p>三个值得时候第一个值是上边距 第二个值是左右边距  第三个值是下边距</p>
+            <p>四个值得时候是上右下左的边距</p>
+            
+            
+            
+        </p>
+       
+</body>
+</html>