CSS mouse hover infinitely generates subordinate pages

This time I will bring you CSS mouse hover to infinitely generate subordinate pages. What are the precautions for CSS mouse hover to infinitely generate subordinate pages. The following is a practical case, let’s take a look.

No more nonsense, just post the code. The specific code is as follows;

*{
                margin: 0;
                padding: 0;
            }
            ul,li{
                list-style: none;
            }
            .ui-slide-box{
                width: 300px;
            }
            .ui-slide-item{
                width: 100%;
                position: relative;
            }
            .ui-slide-item-text{
                display: block;
                background-color: #000000;
                color: white;
                border-bottom: 1px solid yellow;
                height: 40px;
                line-height: 40px;
            }
            .ui-slide-item .ui-slide-box{
                display: none;
                position: absolute;
                left: 300px;
                top: 0;
            }
            .ui-slide-item:hover > .ui-slide-box{
                display: block;
            }

<ul class="ui-slide-box">
            <li class="ui-slide-item">
                <span class="ui-slide-item-text">aaaaaaaaaaaaa</span>
                <ul class="ui-slide-box">
                    <li class="ui-slide-item">
                        <span class="ui-slide-item-text">aaaaaaaaaaaa</span>
                        <ul class="ui-slide-box">
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">dddddddd </span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">sssssssssssss</span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">eeeeeeeeeeee</span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">ccccccccccccc</span>
                                <ul class="ui-slide-box">
                                    <li class="ui-slide-item">
                                        <span class="ui-slide-item-text">aaaaaaaaaaaaa</span>
                                        <ul class="ui-slide-box">
                                            <li class="ui-slide-item">
                                                <span class="ui-slide-item-text">aaaaaaaaaaaa</span>
                                                <ul class="ui-slide-box">
                                                    <li class="ui-slide-item">
                                                        <span class="ui-slide-item-text">dddddddd </span>
                                                    </li>
                                                    <li class="ui-slide-item">
                                                        <span class="ui-slide-item-text">sssssssssssss</span>
                                                    </li>
                                                    <li class="ui-slide-item">
                                                        <span class="ui-slide-item-text">eeeeeeeeeeee</span>
                                                    </li>
                                                    <li class="ui-slide-item">
                                                        <span class="ui-slide-item-text">ccccccccccccc</span>
                                                    </li>
                                                </ul>
                                            </li>
                                            
                                            <li class="ui-slide-item">
                                                <span class="ui-slide-item-text">bbbbbbbbbb</span>
                                                <ul class="ui-slide-box">
                                                    <li class="ui-slide-item">
                                                        <span class="ui-slide-item-text">sfsdfsdfsd </span>
                                                    </li>
                                                    <li class="ui-slide-item">
                                                        <span class="ui-slide-item-text">cvwdfsd</span>
                                                    </li>
                                                    <li class="ui-slide-item">
                                                        <span class="ui-slide-item-text">ewewewe</span>
                                                    </li>
                                                    <li class="ui-slide-item">
                                                        <span class="ui-slide-item-text">xxcxc</span>
                                                    </li>
                                                </ul>
                                            </li>
                                        </ul>
                                    </li>
                                </ul>
                            </li>
                        </ul>
                    </li>
                    
                    <li class="ui-slide-item">
                        <span class="ui-slide-item-text">bbbbbbbbbb</span>
                        <ul class="ui-slide-box">
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">sfsdfsdfsd </span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">cvwdfsd</span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">ewewewe</span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">xxcxc</span>
                            </li>
                        </ul>
                    </li>
                </ul>
            </li>
            <li class="ui-slide-item">
                <span class="ui-slide-item-text">bbbbbbbbbbb</span>
                <ul class="ui-slide-box">
                    <li class="ui-slide-item">
                        <span class="ui-slide-item-text">aaaaaaaaaaaa</span>
                        <ul class="ui-slide-box">
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">dddddddd </span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">sssssssssssss</span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">eeeeeeeeeeee</span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">ccccccccccccc</span>
                            </li>
                        </ul>
                    </li>
                </ul>
            </li>
            <li class="ui-slide-item">
                <span class="ui-slide-item-text">cccccccccccccccccc</span>
                <ul class="ui-slide-box">
                    <li class="ui-slide-item">
                        <span class="ui-slide-item-text">rrrrrrrrrrrrrrrrrrrrrrrrrr</span>
                        <ul class="ui-slide-box">
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">dddddddd </span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">sssssssssssss</span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">eeeeeeeeeeee</span>
                            </li>
                            <li class="ui-slide-item">
                                <span class="ui-slide-item-text">ccccccccccccc</span>
                            </li>
                        </ul>
                    </li>
                </ul>
            </li>
        </ul>

## I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Recommended reading:

Detailed explanation of the use of pointer-events in css3

Completely use CSS to center elements

How the font-size-adjust attribute optimizes web page layout

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