diff --git a/grid_layout_example.html b/grid_layout_example.html
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+++ b/grid_layout_example.html
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+<!DOCTYPE html>
+<html lang="ko">
+<head>
+  <meta charset="UTF-8">
+  <title>플렉스 박스 레이아웃</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1 1">
+  <style>
+    .container {
+      width:1000px;
+      height:500px;
+      display:grid;
+      border:1px dashed #222;
+      /* grid-template-columns: 100px 200px 300px; */
+      grid-template-columns: repeat(3, 1fr);
+
+      /* grid-template-rows: 50px 100px ; */
+      /* grid-template-rows: minmax(100px, auto); */
+      grid-template-rows: repeat(2, 1fr);
+
+    }
+    .items{
+      border:1px solid #222;
+      padding:10px;
+      margin:10px;
+      text-align: center;
+      font-weight: bold;
+      font-size: 20px;
+    }                               
+    /* .box {
+        width: 100px;
+        height: 100px;
+        background-color: #2e4eb7;
+        border: 1px solid #222;
+        padding: 10px;
+        margin: 10px;
+        text-align: center;
+        font-weight: bold;
+
+    } */
+    .box:nth-child(odd) {
+      background-color: #1ed0e8;
+    }
+    .box:nth-child(even) {
+      background-color: #a6ff00;
+    }
+    p {
+      font-weight: bold;
+      text-align: center;
+    }
+
+  </style>
+</head>
+<body>
+  <div class="container">
+    <div class="box" id="box1"><p>1</p></div>
+    <div class="box" id="box2"><p>2</p></div>
+    <div class="box" id="box3"><p>3</p></div>
+    <div class="box" id="box4"><p>4</p></div>
+    <div class="box" id="box5"><p>5</p></div>
+    <div class="box" id="box6"><p>6</p></div>
+
+
+  </div>          
+</body>
+</html>
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