ustify-content: space-around;
    margin-bottom: 20px;
}
.menu-item {
    padding: 10px;
    background-color: #ddd;
    border-radius: 5px;
    cursor: pointer;
}
.menu-item:hover {
    background-color: #ccc;
}
.section {
    display: none;
}
.section.active {
    display: block;
}
</style>
</head>
<body>
<div id="ls">
    <button onclick="cL('en')">English</button>
    <button onclick="cL('ja')">日本語</button>
    <button onclick="cL('zh')">中文</button>
</div>
<div id="c">
    <h1 data-i18n="title