Webleb - fragmentos de código

HTML

<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Disco girando</title>
    <style>
        *{
            margin: 0;
            padding: 0;

}
        body{
            font-family: monospace;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 100vw;
            height: 100vh;
            background-color: black;
        }
        .disco-girando{
            width: 100px;
            height: 100px;
            border-radius: 100%;
            background: rgb(255, 255, 255);
            background-attachment: fixed;
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            border: solid 3px gray;

}
        /* quando passar o mouse gire o cd e mostre o gradiente */
        .disco-girando:hover{
            transform: rotateY(180deg);
            transition: all 0.5s ease-in-out;
            animation: girarGradiente 5s linear infinite;
            animation-delay: 0.25s;
        }
        /* esconda o texto */
        .disco-girando:hover::before{
            animation: hideContent 0.5s linear forwards;

}
        /* escondendo usando o content do before */
        @keyframes hideContent{
            0%{content: 'PLAY ▶️';}
            100%{content: '';}
        }
        /* conic gradiente tirado de https://stackoverflow.com/questions/65363546/ */
        @keyframes girarGradiente{
            0%{
            background: conic-gradient(white, white, white, grey, grey, violet, deepskyblue, aqua, palegreen, yellow, orange, red, grey, grey, white, white, white, white, grey, grey, violet, deepskyblue, aqua, palegreen, yellow, orange, red, grey, grey, white);
            transform: rotateZ(0);
            }
            100%{
                background: conic-gradient(white, white, white, grey, grey, violet, deepskyblue, aqua, palegreen, yellow, orange, red, grey, grey, white, white, white, white, grey, grey, violet, deepskyblue, aqua, palegreen, yellow, orange, red, grey, grey, white);
                transform: rotateZ(360deg);
            }
        }
        /* centro do cd */
        .disco-girando::after{
            content: '';
            width: 25%;
            height: 25%;
            border-radius: 50%;
            position: relative;
            background: black;
            border: solid 3px gray;
            box-shadow: 0 0 5px grey;
            box-sizing: border-box;
        }
        /* texto do cd que gira, ja que o background do cd é uma cor solida, podemos girar apenas o textp
        e criar uma ilusão */
        .disco-girando::before{
            color: black;
            font-family: monospace;
            content: 'PLAY ▶️';
            text-align: center;
            border-radius: 50%;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: transparent;
            text-overflow:clip;
            animation: girarDisco 5s linear infinite;
            transform-origin: center;
            line-height: 20px;
            scale: 0.7;

}
        /*girar o texto em volta do centro */
        @keyframes girarDisco{
            0%{
                transform: rotateZ(0);
            }
            100%{
                transform: rotateZ(360deg);
            }
        }

</style>
</head>
<body>

</div>
    
</body>
</html>

CSS

JS

DVD

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