Pendulum Loading

HTML _CSS

Pendulum Loading

HiroDaegu 2023. 1. 23. 22:25

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>PENDULUM LOADING</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="loader"></div>
</body>
</html>

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


body {
    background-color: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.loader {
    position: relative;
    width: 60px;
    height: 60px;
    display: inline-block;
    background: radial-gradient(ellipse at center, #FFF 69%, rgba(0, 0, 0, 0) 70%), linear-gradient(to right, rgba(0, 0, 0, 0) 47%, #FFF 48%, #FFF 52%, rgba(0, 0, 0, 0) 53%);
    background-size: 20px 20px, 20px auto;
    background-repeat: repeat-x;
    background-position: center bottom, center -5px;
}

.loader::before, .loader::after {
    content: '';
    position: absolute;
    top: 0;
    left: -20px;
    width: 20px;
    height: 60px;
    background: radial-gradient(ellipse at center, #FFF 69%, rgba(0, 0, 0, 0) 70%), linear-gradient(to right, rgba(0, 0, 0, 0) 47%, #FFF 48%, #FFF 52%, rgba(0, 0, 0, 0) 53%);
    background-size: 20px 20px, 20px auto;
    background-repeat: no-repeat;
    background-position: center bottom, center -5px;
    transform: rotate(0);
    transform-origin: 50% 0;
    animation: move-left 1s linear infinite alternate;
}

.loader::after {
    animation: move-right 1s linear infinite alternate;
    left: 100%;
}

@keyframes move-left {
    0% {
        transform: rotate(22deg);
    }
    50% {
        transform: rotate(0);
    }
}

@keyframes move-right {
    0%, 55% {
        transform: rotate(0);
    }
    100% {
        transform: rotate(-22deg);
    }
}

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