js 弹出框样式

<div id="myModal" class="modal">
    <div class="modal-content">
        <span class="close-button">&times;</span>
        <p>这是一个自定义弹出框</p>
        <button id="confirmButton">确认</button>
        <button id="cancelButton">取消</button>
    </div>
</div>

.modal {
    display: none; /* 默认隐藏 */
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4); /* 半透明背景 */
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close-button:hover,
.close-button:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

document.getElementById('myModal').style.display = 'block'; // 显示弹出框

document.querySelector('.close-button').addEventListener('click', function() {
    document.getElementById('myModal').style.display = 'none';
});

document.getElementById('confirmButton').addEventListener('click', function() {
    // 处理确认逻辑
    document.getElementById('myModal').style.display = 'none';
});

document.getElementById('cancelButton').addEventListener('click', function() {
    // 处理取消逻辑
    document.getElementById('myModal').style.display = 'none';
});