Bạn có thể thử chạy mã sau để tạo nhóm nút:
Ví dụ
<!DOCTYPE html>
<html>
<head>
<style>
.btn {
color: black;
background-color: orange;
width: 120px;
text-align: center;
font-size: 15px;
padding: 20px;
float: left;
}
.mybtn {
background-color: orange;
}
</style>
</head>
<body>
<h2>Result</h2>
<p>Click below for result:</p>
<div class = "mybtn">
<button class = "btn">Result</button>
<button class = "btn">Result</button>
<button class = "btn">Result</button>
<button class = "btn">Result</button>
<button class = "btn">Result</button>
</div>
</body>
</html>