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@@ -0,0 +1,82 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+ <style>
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+ div{
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+ width: 200px;
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+ height: 200px;
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+ border-radius: 50%;
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+ border-width: 10px;
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+ border-style: solid;
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+ position: absolute;
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+ }
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+
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+ #blue{
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+ border-color: blue;
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+ left: 0;
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+ top: 0;
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+ }
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+ div::after{
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+ content: '';
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+ position: absolute;
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+ width: 200px;
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+ height: 200px;
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+ border-radius: 50%;
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+ top: -10px;
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+ left: -10px;
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+ }
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+ #blue::after{
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+ border: 10px solid blue;
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+ z-index: 1;
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+ border-bottom-color: transparent;
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+ }
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+ #black{
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+ border-color: black;
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+ left: 230px;
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+ top: 0;
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+ }
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+ #black::after{
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+ border: 10px solid black;
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+ z-index: 1;
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+ border-left-color: transparent;
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+ }
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+ #red{
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+ border-color: red;
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+ left: 460px;
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+ top: 0;
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+ }
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+ #red::after{
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+ border: 10px solid red;
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+ z-index: 1;
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+ border-left-color: transparent;
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+ }
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+ #yellow{
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+ border-color: yellow;
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+ left: 110px;
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+ top: 110px;
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+ }
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+ #green{
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+ border-color: green;
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+ left: 340px;
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+ top: 110px;
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+ }
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+ #green::after{
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+ border: 10px solid green;
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+ z-index: 1;
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+ border-top-color: transparent;
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+ border-right-color: transparent;
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+ }
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+ </style>
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+</head>
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+<body>
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+ <div id="blue"></div>
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+ <div id="black"></div>
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+ <div id="red"></div>
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+ <div id="yellow"></div>
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+ <div id="green"></div>
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+</body>
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+</html>
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zsydgithub