<!DOCTYPE HTML>
<html>
<head>
<link rel="stylesheet" href="style.css" type="text/css"/>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<title>Документ без названия</title>
<div class="grid">
<table>
<tr>
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</table>
</div>
</body>
</html>
table {
width:1080px;
height:800px;
border-collapse: collapse;
}
td, th {
width:120px;
height:60px;
border: 1px solid black;
}
.grid {
margin:70px auto;
width:1080px;
height:820px;
box-shadow:1px 1px 3px #333;
background-color:#3A78A1;
background-image:
linear-gradient(#83ABC4 1px, transparent 1px),
linear-gradient(90deg, #83ABC4 1px, transparent 1px),
linear-gradient(#3A78A1 1px, transparent 1px),
linear-gradient(90deg, #3A78A1 1px, transparent 1px),
linear-gradient(#4E86AB 1px, transparent 1px),
linear-gradient(90deg, #4E86AB 1px, transparent 1px);
background-size:
120px 60px,
120px 60px,
5px 5px,
5px 5px,
20px 20px,
20px 20px;
background-position:
-1px -1px,
-1px -1px,
0 0,
0 0,
-1px -1px,
-1px -1px;
}