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console 命令行工具 X clear

                    
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console
<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        #top {
            width: 300px;
            height: 150px;
            background-color: lightgreen;
            position: fixed;
            animation: movetop 5s forwards;
            top: -200px;
            left: -200px;
        }
        @keyframes movetop {
            0%{}
            100%{
                top: 100px;
                left: 475px;
                transform: skewX(-45deg);
            }
        }

        #left {
            width: 300px;
            height: 300px;
            background-color: orangered;
            position: fixed;
            top: 550px;
            left: 0px;
            animation: moveleft 5s forwards;
        }
        @keyframes moveleft {
            0%{}
            100%{
                top: 250px;
                left: 400px;
                transform: rotate(1800deg);
            }
        }
        #right {
            width: 150px;
            height: 300px;
            background-color: purple;
            position: fixed;
            top: 775px;
            left: 1700px;
            animation: moveright 5s forwards;
        }
        @keyframes moveright {
            0%{}
            100%{
                top: 175px;
                left: 700px;
                transform: skewY(-45deg);
            }
        }
        #dash1 {
            width: 300px;
            height: 300px;
            position: fixed;
            border-width: 0 0 2px 2px;
            border-style: dashed;
            left: 550px;
            top: 100px;
        }
        #dash2 {
            width: 150px;
            height: 0px;
            position: fixed;
            left: 400px;
            top: 475px;
            border-bottom:  2px dashed;
            transform: skewY(-45deg);
        }
    </style>
 
</head>
<body>

    <div id="top"></div>
    <div id="left"></div>
    <div id="right"></div>
    <div id="dash1"></div>
    <div id="dash2"></div>
</body>
</html>