<!DOCTYPE html>
<html>
<head>
<style>
.grid-container { display: grid;
grid-template-columns: auto auto auto auto;
grid-gap: 10px;
background-color: #2196F3;
padding: 10px;
}
.grid-container > div { background-color: rgba(255, 255, 255, 0.8);
border: 1px solid black;
text-align: center;
font-size: 30px;
}
</style>
</head>
<body>
<h1>网格容器</h1>
<p>网格容器由按列和行排列的网格项目组成：</p>
<div class="grid-container">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
</div>
<p>网格容器的直接子元素将自动成为网格项目。</p>
</body>
</html>