This code creates a responsive, styled chessboard layout using HTML...

July 3, 2025 at 07:16 PM

<html lang="en">
<head>
  <style>
    body {
      margin: 0;
      background: #ccc;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
    }
 
    .board {
      display: grid;
      grid-template-columns: repeat(8, 1fr);
      width: 80vmin;
      aspect-ratio: 1;
      border: 4px solid black;
    }
 
    .square {
      width: 100%;
      aspect-ratio: 1;
    }
 
 
 
    .board .square:nth-child(16n+1),
    .board .square:nth-child(16n+3),
    .board .square:nth-child(16n+5),
    .board .square:nth-child(16n+7),
    .board .square:nth-child(16n+10),
    .board .square:nth-child(16n+12),
    .board .square:nth-child(16n+14),
    .board .square:nth-child(16n+16) {
      background-color: #fff;
    }
 
    .board .square:nth-child(16n+2),
    .board .square:nth-child(16n+4),
    .board .square:nth-child(16n+6),
    .board .square:nth-child(16n+8),
    .board .square:nth-child(16n+9),
    .board .square:nth-child(16n+11),
    .board .square:nth-child(16n+13),
    .board .square:nth-child(16n+15) {
      background-color: #000;
    }
  </style>
</head>
<body>
  <div class="board">
 
<div class="square a8"></div><div class="square b8"></div><div class="square c8"></div><div class="square d8"></div>
<div class="square e8"></div><div class="square f8"></div><div class="square g8"></div><div class="square h8"></div>
 
<div class="square a7"></div><div class="square b7"></div><div class="square c7"></div><div class="square d7"></div>
<div class="square e7"></div><div class="square f7"></div><div class="square g7"></div><div class="square h7"></div>
 
<div class="square a6"></div><div class="square b6"></div><div class="square c6"></div><div class="square d6"></div>
<div class="square e6"></div><div class="square f6"></div><div class="square g6"></div><div class="square h6"></div>
 
<div class="square a5"></div><div class="square b5"></div><div class="square c5"></div><div class="square d5"></div>
<div class="square e5"></div><div class="square f5"></div><div class="square g5"></div><div class="square h5"></div>
 
<div class="square a4"></div><div class="square b4"></div><div class="square c4"></div><div class="square d4"></div>
<div class="square e4"></div><div class="square f4"></div><div class="square g4"></div><div class="square h4"></div>
 
<div class="square a3"></div><div class="square b3"></div><div class="square c3"></div><div class="square d3"></div>
<div class="square e3"></div><div class="square f3"></div><div class="square g3"></div><div class="square h3"></div>
 
<div class="square a2"></div><div class="square b2"></div><div class="square c2"></div><div class="square d2"></div>
<div class="square e2"></div><div class="square f2"></div><div class="square g2"></div><div class="square h2"></div>
 
<div class="square a1"></div><div class="square b1"></div><div class="square c1"></div><div class="square d1"></div>
<div class="square e1"></div><div class="square f1"></div><div class="square g1"></div><div class="square h1"></div>
 
  </div>
</body>
</html>

This code creates a responsive, styled chessboard layout using HTML and CSS. Here's a breakdown of what it does:

HTML Structure:

The <html> document contains a <style> block for CSS and a <body> with a container <div> of class "board".
Inside the .board, multiple <div> elements represent the individual squares of the chessboard. Each square is given:
- The class "square".
- A unique class like "a8", "b8", ..., "h1" based on chessboard positions for clarity.

CSS Styling:

The body is styled to:
- Have a margin of 0.
- A background color of light gray (#ccc).
- Center the content (.board) horizontally and vertically using display: flex, justify-content: center, and align-items: center.
- Fill the full height of the viewport (height: 100vh).
The chessboard container (.board) is styled to:
- Use a CSS grid layout (display: grid).
- Divide the grid into 8 equal columns (grid-template-columns: repeat(8, 1fr)), ensuring it is an 8x8 board.
- Have a square size determined by the width (80vmin) and the aspect-ratio: 1 (keeps it square regardless of browser size).
- Have a black border (border: 4px solid black).
Each individual square (.square) is styled to:
- Fill its parent cell's width (width: 100%).
- Maintain a square shape with aspect-ratio: 1.
The square colors are styled using nth-child selectors on .square:
- Odd indices are styled as white squares (background-color: #fff).
- Even indices are styled as black squares (background-color: #000).
- The specific pattern ensures alternating colors for an 8x8 chessboard.

Result:

The code generates a visually accurate, responsive 8x8 chessboard, with alternating black and white squares. The board resizes dynamically along with the viewport due to the use of vmin for its size. The unique classes like "a8", "b8", etc., allow for further customization or functionality if needed (e.g., adding chess pieces via JavaScript).

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