<!DOCTYPE html>
<html lang="es">
<head>
  <meta charset="UTF-8">
  <title>Rosa en HTML y CSS</title>
  <style>
    body {
      background: #222;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100vh;
    }
    .rose {
      position: relative;
      width: 120px;
      height: 120px;
    }
    .petal {
      position: absolute;
      width: 60px;
      height: 80px;
      background: #d81b60;
      border-radius: 60px 60px 0 0;
      left: 30px;
      top: 20px;
      transform-origin: bottom center;
      opacity: 0.9;
      animation: open-petal 2s ease-in-out infinite alternate;
    }
    .petal:nth-child(2) {
      transform: rotate(-40deg);
      left: 30px;
      animation-delay: 0.2s;
    }
    .petal:nth-child(3) {
      transform: rotate(40deg);
      left: 30px;
      animation-delay: 0.4s;
    }
    .petal:nth-child(4) {
      transform: rotate(80deg);
      left: 30px;
      animation-delay: 0.6s;
    }
    .petal:nth-child(5) {
      transform: rotate(-80deg);
      left: 30px;
      animation-delay: 0.8s;
    }
    @keyframes open-petal {
      0% { transform: scaleY(1) rotate(0deg);}
      100% { transform: scaleY(1.1) rotate(8deg);}
    }
    .center {
      position: absolute;
      left: 46px;
      top: 54px;
      width: 30px;
      height: 36px;
      background: #ad1457;
      border-radius: 50% 50% 40% 40%;
      z-index: 2;
    }
    .stem {
      position: absolute;
      left: 59px;
      top: 92px;
      width: 6px;
      height: 50px;
      background: #388e3c;
      border-radius: 3px;
      z-index: 1;
    }
    .leaf {
      position: absolute;
      left: 55px;
      top: 115px;
      width: 20px;
      height: 12px;
      background: #43a047;
      border-radius: 10px 30px 10px 30px;
      transform: rotate(-28deg);
    }
    .leaf.right {
      left: 65px;
      top: 120px;
      transform: rotate(28deg);
    }
  </style>
</head>
<body>
  <div class="rose">
    <div class="petal"></div>
    <div class="petal"></div>
    <div class="petal"></div>
    <div class="petal"></div>
    <div class="petal"></div>
    <div class="center"></div>
    <div class="stem"></div>
    <div class="leaf"></div>
    <div class="leaf right"></div>
  </div>
</body>
</html>

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