! + Tab

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>

</body>
</html>

div.container + Tab

<div class="container"></div>

.box + Tab

<div class="box"></div>

ul>li*5 + Tab

<ul>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
</ul>

a[href="<https://seuheu.com>"]{클릭하세요} + Tab

<a href="<https://seuheu.com>">클릭하세요</a>