菜单图标悬停效果 - 尘叶心繁的专栏

最近比较忙，写一篇好看的悬停效果散散心

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title></title>
        <link rel="stylesheet" type="text/css" href="css/style.css"/>
    </head>
    <body>
        <nav class="nav">
            <div class="menu">
                <li class="item">
                    <a href="" class="link">
                        <i class="bi bi-house-fill"></i>
                    </a>
                </li>
                <li class="item">
                    <a href="" class="link">
                        <i class="bi bi-emoji-smile"></i>
                        <span>about</span>
                    </a>
                </li>
                <li class="item">
                    <a href="" class="link">
                        <i class="bi bi-gear-wide"></i>
                        <span>services</span>
                    </a>
                </li>
                <li class="item">
                    <a href="" class="link">
                        <i class="bi bi-file-earmark-post"></i>
                        <span>blog</span>
                    </a>
                </li>
                <li class="item">
                    <a href="" class="link">
                        <i class="bi bi-envelope"></i>
                        <span>contact</span>
                    </a>
                </li>
            </div>
        </nav>
    </body>
</html>

@import url("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.5.0/font/bootstrap-icons.css");
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html,
body {
    height: 100%;
}
body{
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav{
    display: flex;
    background-color: #4f48ec;
    height: 80px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 16px rgba(0,0,0,.15);
}
.nav .menu{
    list-style: none;
    display: flex;
    justify-content: center;
}
.nav .menu .item {
    position: relative;
    cursor: pointer;
    padding: 0 10px;
    width: 150px;
    height: 150%;
    transition: ease .4s;
}
.nav .menu .item:hover{
    background-color: #3932bf;
}
.nav .menu .item .link{
    display: block;
    position: relative;
    width: 100%;
    height: 80px;
    color: #fff;
    text-transform: uppercase;
    text-decoration: none;
    overflow: hidden;
    transform: ease .4s;
}
.nav .menu .item .link span{
    position: absolute;
    width: 100%;
    bottom: -50%;
    left: 0;
    text-align: center;
    opacity: 0;
    transition: ease .4s;
}
.nav .menu .item .link .bi{
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    text-align: center;
    font-size: 28px;
    transition: ease .4s;
}
.nav .menu .item:hover .link span{
    opacity: 1;
    bottom: 10px;
}
.nav .menu .item:hover .link .bi{
    transform: translateY(-75%);
}