毛玻璃效果

 <style>
        body{
            display: flex;
            justify-content: center;
            /* 给背景一个渐变 */
            background:linear-gradient(
                to left,
                rgb(238, 92, 92),
                rgb(154, 127, 250)) ;
        }
        *{
            padding: 0;
            margin: 0;
        }
        .a{
            position: relative;
            width: 400px;
            height: 250px;
            top: 150px;
        }
        .b{
            position: absolute;
            width: 400px;
            height: 250px;
            border-radius: 20px;
            /* 设置渐变 */
            background: linear-gradient(
                to right bottom,
                rgba(255,255,255,.6),
                rgba(255,255,255,.3),
                rgba(255,255,255,.2)
            );
            /* 重点:使元素背景模糊化 */
            backdrop-filter: blur(11px);
            /* 设置上高光和左高光,使其看起来更加逼真 */
            border-top: 1px solid rgba(255,255,255,.8);
            border-left: 1px solid rgba(255,255,255,.8);
        }
        .b span{
            /* 设置文字的大小和粗细 */
            font: 900 50px '';
            position: absolute;
            top: 10px;
            left: 20px;
            color: rgba(0,0,0,.5);
            /* 设置文字阴影 */
            text-shadow: 1px 1px 3px rgba(255,255,255,.7);
        }
        .b p{
            font: 900 25px '';
            position: absolute;
            bottom: 20px;
            right: 20px;
            color: rgba(255,255,255,.3);
            /* 设置字体间距 */
            letter-spacing: 3px;
        }
        /* 接下来设置两个球 */
        .c{
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background-color: rgb(240,160,0);
            position: absolute;
            top: 140px;
            left: -40px;
            z-index: -99;
        }
        .d{
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background-color: #77fdd7;
            position: absolute;
            top: -50px;
            left: 260px;
            z-index: -99;
        }
    </style>
</head>
<body>
    <div class="a">
        <div class="b">
            <span>OSVUE</span>
            <P>2020_9_9/lusifer</P>
        </div>
        <div class="c"></div>
        <div class="d"></div>
    </div>
</body>

登录效果

   <style>
        body {
            display: flex;
            justify-content: center;
            background-image: linear-gradient(to left, #fd79a8, #a29bfe);
        }
        .a{
            background-color: #fff;
            width: 350px;
            height: 500px;
            position: relative;
            display: flex;
            border-radius: 10px;
            justify-content: center;
            align-items: center;
            top: 100px;
        }
        .b{
            width: 300px;
            height: 450px;
            overflow: hidden;
        }
        .c{
            font: 900 40px '';
            margin: 60px 0;
            text-align: center;
            /* 设置字体间距 */
            letter-spacing: 5px;
        }
        .e{
            width: 100%;
            margin-bottom: 20px;
            outline: none;
            border: 0;
            padding: 10px;
            border-bottom: 2px solid rgb(60,60,70);
            font: 900 16px '';
        }
        .f{
            text-align: center;
            height: 24px;
            padding: 12px;
            font: 900 20px '';
            border-radius: 10px;
            background-image: linear-gradient(to left, #fd79a8, #a29bfe);
        }
        .g{
            margin: 33px;
        }
    </style>
</head>
<body>
    <div class="a">
        <div class="b">
            <p class="c">Login</p>
            <div class="d">
                <input type="text" class="e" placeholder="账号">
                <input type="password" class="e" placeholder="密码">
                <div class="f">GO</div>
            </div>
            <div class="g">Forget the password?<a href="#">Retrieve</a></div>
        </div>
    </div>
</body>

轮播图

   <style>
        * {
            padding: 0;
            margin: 0;
        }
        body {
            background-color: rgba(206, 182, 182, 0.637);
            display: flex;
            height: 100vh;
            justify-content: center;
            align-items: center;
        }
        .a{
            position: relative;
            width: 650px;
            display: flex;
            justify-content: space-evenly;
        }
        .b{
            width: 400px;
            height: 500px;
            transition: .4s;
            background-size: cover;
        }
        .c{
            width: 200px;
            height: 500px;
            display: flex;
            /* 纵向布局 */
            flex-direction: column;
            justify-content: space-between;
        }
        .d{
            position: relative;
            width: 200px;
            height: 90px;
            right: 0;
            transition:.5s;
            overflow: hidden;
        }
        .d img{
            position: absolute;
            width: 200px;
            /* 小图片上移 */
            transform: translate(0,-50px);
            transition: .5s;
            right: 0;
        }
        .d.dd{
            opacity: 0;
            right: 250px;
        }
        .d:hover img{
            opacity: 0;
            right: 250px;
        }
    </style>
</head>
<body>
    <div class="a">
        <div class="b"></div>
        <div class="c">
            <div class="d dd"><img src="1.jpg" alt=""></div>
            <div class="d"><img src="2.jpg" alt=""></div>
            <div class="d"><img src="3.jpg" alt=""></div>
            <div class="d"><img src="4.jpg" alt=""></div>
            <div class="d"><img src="5.jpg" alt=""></div>
        </div>
    </div>
    <script>
        // 获取左边大图的元素
        let b = document.querySelector(".b")
        // 获取右边小图的所有元素
        let d = document.getElementsByClassName("d")

        let time
        let index = 0

        // 设置一个重置函数
        let a = function(){
            for(let i = 0;i < d.length; i++){
                d[i].className = "d"
            }
        }
        // 设置一个选中函数
        let aa = function(){
            // 先代入重置函数
            a()
            d[index].className = "d dd"
        }
        // 设置启动轮播图的时间函数
        function ts(){
            time = setInterval(function(){
                aa()
                index++
                b.style.backgroundImage = "url('"+[index]+".jpg')"
                if(index == 5){
                    index=0
                }
            },1500);
        }
        for(let i = 0;i < d.length;i++){
            // 鼠标移动到当前小图片上时触发
            d[i].onmousemove = function(){
                // 鼠标移动到当前小图片时右边大图片变成当前的小图片
                b.style.backgroundImage = "url('"+[i + 1]+".jpg')"
                // 鼠标移动到小图片上面时关闭定时器并重置定时,
                // 鼠标移开后再继续执行
                a()
                clearInterval(time)
                index = i + 1
                ts()
            }
        }
        // 执行轮播图
        ts()
    </script>

鼠标监听

    document.addEventListener('mousemove',e => {
            const item = document.querySelectorAll(".item")

            const mouseX = e.clientX
            const mouseY = e.clientY

            item.forEach(sqr => {
                const sqrX = sqr.offsetLeft
                const sqrY = sqr.offsetTop

                const diffX = mouseX -sqrX
                const diffY = mouseY -sqrY

                const radians = Math.atan2(diffY,diffX)

                const angle = radians * 180 / Math.PI

                sqr.style.transform = `rotate(${angle}deg)`
            })
        })

滑动侧边栏

    <style>
        * {
            list-style-type: none;
            padding: 0;
            margin: 0;
        }

        body {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #d3dafa;
        }
        .shell{
            position:fixed;
            width: 280px;
            height: 650px;
            background-color: #8a98c9;
        }
        .buttons{
            margin: 60px 0;
            color: #fff;
        }
        .li{
            letter-spacing: 2px;
            font: 600 17px '';
            padding: 16px 52px;
            transition: .3s;
        }
        .li::after{
            content: '';
            position: absolute;
            left: 20px;
            margin-top: -22px;
            display: block;
            width: 20px;
            height: 20px;
            background-color: #fff;
            border-radius: 50%;
        }
        .buttons>li:hover{
            background-color: #beb5df;
        }
        
        .li ul{
            width: 0;
            height: 530px;
            padding: 60px 0;
            position: absolute;
            top: 0;
            right: 0;
            overflow: hidden;
            background-color: #59699b;
            transition: .3s;
        }

        .li ul li{
            padding: 16px 24px;
            transition: .3s;
        }

        .li:hover ul{
		/* 控制了 滑动的宽度*/
            width: 50%;
        }
        .li ul li:hover{
            background-color: #828eb9;
        }
    </style>
</head>
<body>
    <nav class="shell">
        <ul class="buttons">
            <li class="li">
                management
                <ul>
                    <li>Sold  baby</li>
                    <li>Evaluation</li>
                    <li>Shopkeeper</li>
                    <li>Management</li>
                </ul>
            </li>

            <li class="li">
                logisitcs
                <ul>
                    <li>Warehouse    </li>
                    <li>deliver goods</li>
                    <li>stock        </li>
                    <li>mail         </li>
                    <li>return goods </li>
                </ul>
            </li>

            <li class="li">
                treasure
                <ul>
                    <li>Release baby   </li>
                    <li>Posting Details</li>
                    <li>Shop decoration</li>
                </ul>
            </li>

            <li class="li">
                financial service
                <ul>
                    <li>payment              </li>
                    <li>Loan goods           </li>
                    <li>Collection in advance</li>
                </ul>
            </li>
        </ul>
    </nav>
</body>

transform应用

    <style>
        * {
            margin: 0;
            padding: 0;
        }

        body {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: space-evenly;
            background: rgb(156, 156, 248);
        }

        .shell {
            position: relative;
            perspective: 700px;
            transform-style: preserve-3d;
        }

        .card {
            height: 260px;
            width: 460px;
            transform: translateX(10px) rotateY(25deg) rotateX(10deg);
            background-color: rgba(250, 200, 30, .8);
            display: flex;
            align-items: center;
        }

        h1 {
            font-size: 70px;
        }

        .card .word {
            background-color: #000;
            line-height: 1;
            color: rgba(250, 200, 30, 1);
            padding: 0 10px;
            margin: 0 15px 0 30px;
            display: inline-flex;
        }

        .shell::before {
            content: '';
            height: 260px;
            width: 460px;
            position: absolute;
            margin-top: -9px;
            margin-left: -9px;
            border: 9px solid #000;
            transform: translateX(-60px) rotateY(-30deg) rotateX(15deg) scale(1.03);
        }

        .shell:hover>div,
        .shell:hover::before{
            transform: none;
        }

        .shell>div,
        .shell::before{
            transition: .3s;
        }
    </style>
</head>

<body>
    <!-- <div class="shell">
        <div class="card">
            <h1><span class="word">AGO</span>AwAy</h1>
        </div>
    </div> -->

    <div class="shell">
        <div class="card">
            <h1><span class="word">OS</span>VUE</h1>
        </div>
    </div>
</body>

grid布局键盘


<style>
    *{
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body{
	
	/* flex 居中 */
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
    }
    .keyboard-base{
        min-width: 1085px;
        padding: 20px;
        background-color: rgb(56, 56, 56);
        border-radius: 10px;
        display: grid;
        grid-template-columns: repeat(30,30px);
        grid-template-rows: repeat (5,60px);
        grid-gap: 5px;
    }
    .key{
        background-color: rgb(243, 243, 243);
        border-radius: 5px;
        grid-column: span 2;
        font: 500 20px '';
        text-align: center;
        padding: 17px;
        border: 2px solid black;
    }
    .key:hover{
        box-shadow:  inset 0 0 7px rgba(0,0,0,0.8);
    }
    .color{
        background-color: rgb(180, 180, 180);
    }
    .delete{
        grid-column: span 4;
    }
    .tab{
        grid-column: span 3;
    }
    .backslash{
        grid-column: span 3;
    }
    .capslock{
        grid-column: span 4;
    }
    .return{
        background-color: rgb(250, 140, 70);
        grid-column: span 4;
    }
    .leftshift{
        grid-column: span 5;
    }
    .rightshift{
        grid-column: span 5;
    }
    .leftctrl{
        grid-column: span 3;
    }
    .command{
        grid-column: span 3;
        font-size: 14px;
    }
    .space{
        background-color: rgb(250, 140, 70);
        grid-column: span 13;
    }
</style>
<body>
    <div class="keyboard-base">
        <div class="key color">~</div>
        <div class="key">1</div>
        <div class="key">2</div>
        <div class="key">3</div>
        <div class="key">4</div>
        <div class="key">5</div>
        <div class="key">6</div>
        <div class="key">7</div>
        <div class="key">8</div>
        <div class="key">9</div>
        <div class="key">0</div>
        <div class="key">-</div>
        <div class="key">+</div>
        <div class="key delete color">Delete</div>
        <div class="key tab color">Tab</div>
        <div class="key">Q</div>
        <div class="key">w</div>
        <div class="key">E</div>
        <div class="key">R</div>
        <div class="key">T</div>
        <div class="key">Y</div>
        <div class="key">U</div>
        <div class="key">I</div>
        <div class="key">O</div>
        <div class="key">P</div>
        <div class="key">[</div>
        <div class="key">]</div>
        <div class="key backslash color">\</div>
        <div class="key capslock color">CapsLock</div>
        <div class="key">A</div>
        <div class="key">S</div>
        <div class="key">D</div>
        <div class="key">F</div>
        <div class="key">G</div>
        <div class="key">H</div>
        <div class="key">J</div>
        <div class="key">K</div>
        <div class="key">L</div>
        <div class="key">;</div>
        <div class="key">'</div>
        <div class="key return">Return</div>
        <div class="key leftshift color">Shift</div>
        <div class="key">Z</div>
        <div class="key">X</div>
        <div class="key">C</div>
        <div class="key">V</div>
        <div class="key">B</div>
        <div class="key">N</div>
        <div class="key">M</div>
        <div class="key">,</div>
        <div class="key">.</div>
        <div class="key">/</div>
        <div class="key rightshift color">Shift</div>
        <div class="key leftctrl color">Ctrl</div>
        <div class="key color">Alt</div>
        <div class="key command color">Command</div>
        <div class="key space">Space</div>
        <div class="key command color">command</div>
        <div class="key color">Alt</div>
        <div class="key color">Ctrl</div>
        <div class="key color">Fn</div>
    </div>
</body>

transform 滚动效果

<style>
    * {
        padding: 0;
        margin: 0;
    }
    .shell{
        height: 100vh;
        overflow-x: hidden;
        perspective: 3px;
    }
    .shell div{
        position: relative;
        display: flex;
        justify-content: center;
        align-items: center;
        font-style: 30px;
        letter-spacing: 2px;
    }
    .image{
        transform: translateZ(-1px) scale(1.6);
        background-size: cover;
        height: 100vh;
        z-index: -1;
    }
    .text{
        height: 50vh;
        background-color: #fff;
    }
    .text h1{
        color: #000;
    }
    .heading{
        z-index: -1;
        transform: translateY(-30vh) translateZ(1px);
        color: #fff;
        font-size: 30px;
    }
</style>

<body>
    <div class="shell">
        <div class="image" style="background-image: url('./1.jpg');"></div>
        <div class="heading">
            <h1>When you are confused</h1>
        </div>
        <div class="text">
            <h1>Set goals in your mind</h1>
        </div>

        <div class="image" style="background-image: url('./2.jpg');"></div>
        <div class="heading">
            <h1>When you're down</h1>
        </div>
        <div class="text">
            <h1>Try to wake up the beast in your heart</h1>
        </div>

        <div class="image" style="background-image: url('./3.jpg');"></div>
        <div class="heading">
            <h1>When prople leave you</h1>
        </div>
        <div class="text">
            <h1>It's time to start your season</h1>
        </div>

        <div class="image" style="background-image: url('./4.jpg');"></div>
        <div class="heading">
            <h1>Come on,stranger.</h1>
        </div>
    </div>
</body>

伪元素应用登录

  <style>
        * {
            padding: 0;
            margin: 0;
        }

        body {
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background-image: linear-gradient(to bottom right, #bdbef8, #b9a3fd);
        }
        .shell{
            width: 640px;
            height: 320px;
            display: flex;
        }
        .box-left{
            background-color: #fff;
            height: 280px;
            top: 20px;
            position: relative;
            width: 50%;
        }
        .box-left h2{
            font: 900 50px '';
            margin: 50px 40px 40px;
        }
        .box-left span{
            display: block;
            color: #999;
            font-style: 14px;
            margin: 40px;
        }
        .box-right{
            background-color: #474a59;
            box-shadow: 0 0 40px 16px rgba(0,0,0,.2);
            color: #f1f1f2;
            width: 50%;
        }
        .form{
            margin: 40px;
            position: absolute;
        }
        label{
            color: #c2c2c5;
            display: block;
            font-size: 14px;
            height: 16px;
            margin-top: 20px;
            margin-bottom: 5px;
            position: relative;
        }
        input{
            background: transparent;
            border: 0;
            color: #f2f2f2;
            font-style: 20px;
            height: 30px;
            line-height: 30px;
            width: 100%;
            outline: none !important;
        }
        label::before{
            content: '';
            display: block;
            position: absolute;
            top: 52px;
            width: 100%;
            height: 3px;
            background-image: linear-gradient(to right,#44ffff,#b888ff);
        }
        #submit{
            color: #fff;
            margin-top: 40px;
            width: 100px;
            height: 35px;
            background-color: rgba(255,255,255,.1);
            border-radius: 20px;
            float: right;
            transition: .3s;
        }
        #submit:hover{
            letter-spacing: 2px;
            color: #000;
            background-color: #fff;
        }
    </style>
</head>
<body>
    <div class="shell">
        <div class="box-left">
            <h2>Login</h2>
            <span>Just log in, you can enjoy more services, interact with me here, and publish your opinions</span>
        </div>
        <div class="box-right">
            <div class="form">
                <label for="email">Email</label>
                <input type="email" id="email">
                <label for="password">Password</label>
                <input type="password" id="password">
                <input type="submit" id="submit" value="Submit">
            </div>
        </div>
    </div>
</body>