문제
한 칸이 가로세로 100px인 체스판 800px로 만들어라.
풀이
첫 번째 방법
table을 이용한다.
CSS
td {
width: 100px;
height: 100px;
box-sizing: border-box;
border-collapse: collapse;
}
.black {
background-color: black;
border-collapse: collapse;
}HTML
table은 기본적으로 <table border="2" 를 통해 2px의 선으로 묶어준다.
그 다음 테두리 들이 겹치치 않게 style="border-collapse: collapse; 를 통해 테두리 중복을 없애준다.
<!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>Document</title>
<link rel="stylesheet" href="chessboard.css">
</head>
<body>
<div>
<table border="2" style="border-collapse: collapse;">
<tr>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
</tr>
<tr>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
</tr>
<tr>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
</tr>
<tr>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
</tr>
<tr>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
</tr>
<tr>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
</tr>
<tr>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
</tr>
<tr>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
<td class="black"></td>
<td></td>
</tr>
</table>
</div>
</body>
</html>
두번째
플렉스를 이용하는 방법
<!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>Document</title>
<style>
.col {
width: 50px;
height: 50px;
}
.chessboard {
width: 400px;
border: 1px solid black;
}
.row {
display: flex;
}
.row:nth-child(odd) .col:nth-child(even),
.row:nth-child(even) .col:nth-child(odd) {
background-color: black;
}
</style>
</head>
<body>
<div class="chessboard">
<div class="row">
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
</div>
<div class="row">
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
</div>
<div class="row">
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
</div>
<div class="row">
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
</div>
<div class="row">
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
</div>
<div class="row">
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
</div>
<div class="row">
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
</div>
<div class="row">
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
<div class="col"></div>
</div>
</div>
</body>
</html>
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