1 DOCTYPE html>
2 <html>
3 <head lang="en">
4 <meta charset="UTF-8">
5 <title>title>
6 <style>
7 /* .test {
8 width: 150px;
9 height: 300px;
10 border: 1px solid #ccc;
11 margin-top: 100px;
12 float: left;
13 margin-left: -1px;
14 }
15 .test:hover {
16 border: 1px solid #f40;
17 position: relative;
18 } */
19 .test {
20 width: 150px;
21 height: 300px;
22 border: 1px solid #ccc;
23 margin-top: 100px;
24 float: left;
25 margin-left: -1px;
26 position: relative;
27 }
28 .test:hover {
29 border: 1px solid #f40;
30 z-index: 1;
31
32 }
33 style>
34 head>
35 <body>
36 <div class="test">div>
37 <div class="test">div>
38 <div class="test">div>
39 <div class="test">div>
40 <div class="test">div>
41 body>
42 html>
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