Здравствуйте!
Подскажите, пожалуйста, почему рамка вокруг grida шире и меньше по высоте самого grid?
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="style.css">
<title>Document</title>
</head>
<body>
<div class="container">
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item-b"></div>
</div>
</body>
*{
margin: 0;
padding: 0;
}
.container {
gap: 15px 16px;
display: grid;
border: 1px solid black;
grid-template-columns: 40px 50px 40px 50px 40px ;
grid-template-rows: 25% 100px 30px;
}
.item{
background-color: #F00;
}
.item-b {
background-color: #00F;
grid-column-start: 1;
grid-column-end: span 4;
grid-row-start: 2;
grid-row-end: 4;
}
