Ventilador animado em CSS: ativar/desativar, controlar a velocidade.

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Ventilador animado em CSS: ativar/desativar, controlar a velocidade.

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Working Fan CSS</title>
    <style>
        *,
        *:before,
        *:after{
            padding: 0;
            margin: 0;
            box-sizing: border-box;
        }
        
        body {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            padding: 20px;
        }
        
        .container {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        
        h1 {
            color: white;
            margin-bottom: 10px;
            text-shadow: 0 2px 5px rgba(0,0,0,0.3);
            font-size: 2.5rem;
        }
        
        .subtitle {
            color: #fdbf00;
            margin-bottom: 40px;
            font-size: 1.2rem;
            font-weight: 500;
        }
        
        .fan-container {
            position: relative;
            display: inline-block;
            margin-bottom: 40px;
        }
        
        .fan{
            height: 350px;
            width: 350px;
            position: relative;
            filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.3));
        }
        
        label{
            display: block;
            height: 20px;
            width: 20px;
            background-color: #222;
            position: absolute;
            margin: 120px auto 0 auto;
            left: 0;
            right: 0;
            border-radius: 50%;
            animation: spin 1s infinite linear;
            animation-play-state: paused;
            cursor: pointer;
            z-index: 5;
            box-shadow: 0 0 10px rgba(0,0,0,0.5);
            transition: transform 0.3s;
        }
        
        label:hover {
            transform: scale(1.1);
        }
        
        @keyframes spin{
            100%{
                transform: rotate(360deg);
            }    
        }
        
        label:after{
            content: "";
            position: absolute;
            height: 70px;
            width: 70px;
            background-color: #005fe4;
            border: 10px solid #00317e;
            border-radius: 50%;
            left: -25px;
            bottom: -25px; 
            box-shadow: inset 0 0 10px rgba(0,0,0,0.3);
        }
        
        label span{
            display: block;
            height: 120px;
            width: 70px;
            background: linear-gradient(to bottom, #fdbf00, #e6ac00);
            border-radius: 55% 45% 100% 0% / 39% 28% 72% 61%;
            position: absolute;
            z-index: -1;
            box-shadow: inset 0 -5px 10px rgba(0,0,0,0.2);
        }
        
        span:nth-child(1){
            bottom: 10px;
            left: 10px;
        }
        
        span:nth-child(2){
            transform: rotate(-120deg);
            left: -95px;
            top: -50px;
        }
        
        span:nth-child(3){
            transform: rotate(-240deg);
            right: -60px;
            top: 10px;
        }
        
        .base{
            height: 160px;
            width: 20px;
            background: linear-gradient(to bottom, #00317e, #001f4d);
            position: absolute;
            margin: auto;
            left: 0;
            right: 0;
            top: 140px;
            z-index: -1;
            border-radius: 10px 10px 0 0;
        }
        
        .base:after{
            content: "";
            position: absolute;
            height: 35px;
            width: 150px;
            background: linear-gradient(to bottom, #fdbf00, #e6ac00);
            left: -65px;
            top: 160px;
            border-radius: 20px 20px 0 0;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        
        input[type="checkbox"]{
            position: absolute;
            -webkit-appearance: none;
            appearance: none;
            height: 12px;
            width: 20px;
            background-color: #c30010;
            position: absolute;
            bottom: 50px;
            left: 130px;
            outline: none;
            cursor: pointer;
            border-radius: 5px 5px 0 0;
            box-shadow: 0 3px 5px rgba(0,0,0,0.3);
            transition: all 0.3s;
            z-index: 10;
        }
        
        input[type="checkbox"]:checked{
            height: 8px;
            background-color: #00a308;
        }
        
        input[type="checkbox"]:checked + label{
            animation-play-state: running;
        }
        
        .controls {
            background-color: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 20px;
            margin-top: 30px;
            display: inline-block;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .speed-control {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            margin-top: 15px;
            color: white;
        }
        
        .speed-btn {
            background-color: #005fe4;
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 3px 5px rgba(0,0,0,0.2);
        }
        
        .speed-btn:hover {
            background-color: #00317e;
            transform: translateY(-2px);
        }
        
        .speed-display {
            font-size: 1.1rem;
            min-width: 100px;
            font-weight: 600;
            color: #fdbf00;
        }
        
        .instructions {
            color: white;
            margin-top: 20px;
            line-height: 1.6;
            background-color: rgba(0, 0, 0, 0.2);
            padding: 15px;
            border-radius: 10px;
            max-width: 500px;
            margin: 20px auto 0;
        }
        
        .instructions h3 {
            color: #fdbf00;
            margin-bottom: 10px;
        }
        
        .instructions ul {
            text-align: left;
            margin-left: 20px;
        }
        
        .instructions li {
            margin-bottom: 8px;
        }
        
        @media (max-width: 500px) {
            .fan{
                height: 280px;
                width: 280px;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .speed-control {
                flex-direction: column;
                gap: 10px;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>CSS Fan Animation</h1>
        <div class="subtitle">Click the fan center to toggle on/off</div>
        
        <div class="fan-container">
            <div class="fan">
                <input type="checkbox" id="btn">
                <label for="btn">
                    <span></span>
                    <span></span>
                    <span></span>
                </label>
                <div class="base"></div>
            </div>
        </div>
        
        <div class="controls">
            <div class="speed-control">
                <button class="speed-btn" id="slow">Slow Speed</button>
                <div class="speed-display" id="speedDisplay">Speed: Normal</div>
                <button class="speed-btn" id="fast">Fast Speed</button>
            </div>
        </div>
        
        <div class="instructions">
            <h3>How to Use:</h3>
            <ul>
                <li><strong>Click the center of the fan</strong> to turn it ON/OFF</li>
                <li>Use the buttons to control the fan speed</li>
                <li>The red/green switch at the bottom also controls power</li>
                <li>Try hovering over the fan center for a subtle effect</li>
            </ul>
        </div>
    </div>

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