html
<!DOCTYPE html>
<html>
<head>
<title>Chessboard</title>
<style>
.container {
width: 800px;
display: grid;
grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
grid-template-rows: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
gap: 0px;
}
.black {
width: 100px;
height: 100px;
background-color: #b58863 ;
}
.white {
width: 100px;
height: 100px;
background-color: #f0d9b5 ;
}
</style>
</head>
<body>
<div class="container">
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
<div class="black"></div>
<div class="white"></div>
</div>
</body>
</html>
Result
.container {
width: 800px;
display: grid;
grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
grid-template-rows: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
gap: 0px;
