Feux d'artifice et lucioles animés CSS avec tournesol

487 uni912345

Ouvrir dans l'éditeur Publiez votre code

Feux d'artifice et lucioles animés CSS avec tournesol

Recommandé

24 July 2025

Code HTML du commutateur à bascule CSS

18 December 2025

Pied de page d'attribution CSS : Fixe, Centré, Transparent

10 July 2026

Préparation des étudiants

HTML

<!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>Sunflower Night with Fireworks and Fireflies</title>
<style>
  body {
    margin: 0;
    height: 100vh;
    background: #000;
    overflow: hidden;
    position: relative;
    font-family: 'Comic Sans MS', cursive, sans-serif;
  }

/* Mensaje centrado arriba con duración larga */
  #mensaje-feliz {
    position: fixed;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    background: #ffeb3b;
    color: #333;
    font-weight: bold;
    font-size: 26px;
    padding: 20px 35px;
    border-radius: 10px;
    box-shadow: 0 0 15px #fbc02d;
    opacity: 1;
    animation: fadeOut 15s ease forwards;
    z-index: 10000;
    white-space: nowrap;
    text-align: center;
  }
  @keyframes fadeOut {
    0%, 93% { opacity: 1; }
    100% { opacity: 0; visibility: hidden; }
  }

/* Mensaje inferior */
  #mensaje-inferior {
    position: fixed;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    background-color: #000;
    font-weight: bold;
    font-size: 28px;
    padding: 10px 20px;
    border-radius: 8px;
    box-shadow: 0 0 8px #000;
    z-index: 10001;
    white-space: nowrap;
  }

/* Fuegos artificiales */
  .firework {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, white 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    box-shadow:
      0 0 6px 3px white,
      0 0 10px 5px white;
    animation: explode 1s ease forwards;
  }
  @keyframes explode {
    0% {
      transform: scale(0.5);
      opacity: 1;
    }
    100% {
      transform: scale(12);
      opacity: 0;
    }
  }

/* Luciérnagas */
  .firefly {
    position: fixed;
    background: radial-gradient(circle, #ffff99 0%, transparent 70%);
    border-radius: 50%;
    width: 6px;
    height: 6px;
    opacity: 0.8;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    box-shadow: 0 0 6px 3px #ffff99;
    z-index: 9000;
  }

/* Animaciones de movimiento para luciérnagas */
  @keyframes move1 { 0%, 100% { transform: translate(0, 0);} 50% { transform: translate(20px, 15px);} }
  @keyframes move2 { 0%, 100% { transform: translate(0, 0);} 50% { transform: translate(-15px, -10px);} }
  @keyframes move3 { 0%, 100% { transform: translate(0, 0);} 50% { transform: translate(10px, -20px);} }
  @keyframes move4 { 0%, 100% { transform: translate(0, 0);} 50% { transform: translate(-20px, 10px);} }
  @keyframes move5 { 0%, 100% { transform: translate(0, 0);} 50% { transform: translate(15px, 20px);} }

@keyframes glow {
    0%, 100% { opacity: 0.8; box-shadow: 0 0 6px 3px #ffff99; }
    50% { opacity: 0.3; box-shadow: none; }
  }
</style>
</head>
<body>

<div id="mensaje-feliz">Feliz día de las flores amarillas Anita</div>
  <div id="mensaje-inferior">Te quiero mucho pendeja</div>

// Fuegos artificiales
    function createFirework() {
      const firework = document.createElement('div');
      firework.className = 'firework';
      const size = Math.random() * 3 + 2;
      firework.style.width = size + 'px';
      firework.style.height = size + 'px';
      const color = colors[Math.floor(Math.random() * colors.length)];
      firework.style.background = `radial-gradient(circle, ${color} 0%, rgba(255,255,255,0) 70%)`;
      firework.style.boxShadow = `0 0 6px 3px ${color}, 0 0 10px 5px ${color}`;
      firework.style.position = 'absolute';
      firework.style.top = Math.random() * window.innerHeight + 'px';
      firework.style.left = Math.random() * window.innerWidth + 'px';
      firework.style.borderRadius = '50%';
      firework.style.opacity = '1';
      body.appendChild(firework);
      firework.style.animation = 'explode 1s ease forwards';
      setTimeout(() => {
        body.removeChild(firework);
      }, 1000);
    }
    setInterval(createFirework, 400);

// Muchas luciérnagas
    const moveAnims = ['move1', 'move2', 'move3', 'move4', 'move5'];
    for(let i = 0; i < 50; i++) {
      const firefly = document.createElement('div');
      firefly.className = 'firefly';
      firefly.style.top = (Math.random() * 100) + 'vh';
      firefly.style.left = (Math.random() * 100) + 'vw';
      const moveAnim = moveAnims[i % moveAnims.length];
      const durMove = (Math.random() * 8 + 4).toFixed(2);
      const durGlow = (Math.random() * 2 + 1).toFixed(2);
      firefly.style.animation = `${moveAnim} ${durMove}s ease-in-out infinite, glow ${durGlow}s ease-in-out infinite`;
      firefly.style.animationDelay = `${Math.random() * 5}s, ${Math.random() * 5}s`;
      body.appendChild(firefly);
    }
  </script>

CSS

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

:root {
    --color-bg: linear-gradient(to top, #00d4ff, #000); 
    --line-color: linear-gradient(to left top, #82ff86 20%, #144425, #104e1c);
    --flower-center: radial-gradient(circle, #000, #ff5e00);
    --leaf-color: radial-gradient(circle, #82ff86, #104e1c);
    --petal-color: radial-gradient(circle, #ff5e00, #ffbb00);
}

body{
    background-image: var(--color-bg);
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
}

.flower_wrapper{
    position: absolute;
    left: 50%;
    bottom: 2vmin;
    animation: moving-flower-1 4s linear infinite;
}

.flower_stem{
    width: 2vmin;
    height: 65vmin;
    background-image: var(--line-color);
    border-radius: 4vmin;
    animation-delay: 0.3s;
}

.flower_center{
    position: absolute;
    top: 0vmin;
    left: 50%;
    z-index: 5;
    transform: translateX(-50%) rotate(-10deg);
    width: 20vmin;
    height: 20vmin;
    border-radius: 50%;
    background: var(--flower-center);
    animation: open-flower-middle 2s 0.4s backwards;
}

.flower_petal{
    position: absolute;
    left: 50%;
    z-index: 3;
    bottom: 55vmin;
    transform: translateX(-50%);
    width: 7vmin;
    height: 17vmin;
    height: 20vmin;
    background: var(--petal-color);
    clip-path: ellipse(50% 50% at 50% 50%);
    transform-origin: center bottom;
    animation: open-flower 2s 1s backwards;
}

.flower_petal-1{
    border-radius: 50% 50% 50% / 80% 80% 20% 20%;
    background-image: none;
    background: var(--petal-color);
    animation: open-flower 1.4s 1s backwards;
}

.flower_petal-2{
    transform: translateX(-50%) rotate(-30deg);
}
.flower_petal-3{
    transform: translateX(-50%) rotate(-60deg);
}
.flower_petal-4{
    transform: translateX(-50%) rotate(-90deg);
}
.flower_petal-5{
    transform: translateX(-50%) rotate(-120deg);
}
.flower_petal-6{
    transform: translateX(-50%) rotate(-150deg);
}
.flower_petal-7{
    transform: translateX(-50%) rotate(30deg);
}
.flower_petal-8{
    transform: translateX(-50%) rotate(60deg);
}
.flower_petal-9{
    transform: translateX(-50%) rotate(90deg);
}
.flower_petal-10{
    transform: translateX(-50%) rotate(120deg);
}
.flower_petal-11{
    transform: translateX(-50%) rotate(150deg);
}
.flower_petal-12{
    transform: translateX(-50%) rotate(180deg);
}

.flower_leaf{
    position: absolute;
    left: 60%;
    bottom: 18vmin;
    transform: translateX(-45%) rotate(80deg);
    width: 7vmin;
    height: 17vmin;
    background: var(--leaf-color);
    clip-path: none;
    border-radius: 10vmin 2vmin 10vmin 2vmin;
    transform-origin: center bottom;
}

.flower_leaf-1{
    bottom: 18vmin;
    transform: translateX(-45%) rotate(80deg);
}

.flower_leaf-2{
    bottom: 23vmin;
    transform: translateX(-55%) rotate(-80deg);
}

.flower_light{
    position: absolute;
    bottom: 70vmin;
    width: 1vmin;
    height: 1vmin;
    background-color: rgb(255, 251, 0);
    border-radius: 50%;
    filter: blur(0.2vmin);
    animation: light-ans 4s linear infinite backwards;
}

:nth-child(odd){
        background-color: #23f0ff;
    }

.flower_light-1{
        left: -2vmin;
        animation-delay: 1s;
    }

.flower_light-2{
        left: 3vmin;
        animation-delay: 0.5s;
    }

.flower_light-3{
        left: -6vmin;
        animation-delay: 0.3s;
    }

.flower_light-4{
        left: 6vmin;
        animation-delay: 0.9s;
    }

.flower_light-5{
        left: -1vmin;
        animation-delay: 1.5s;
    }

.flower_light-6{
        left: -4vmin;
        animation-delay: 3s;
    }

.flower_light-7{
        left: 3vmin;
        animation-delay: 2s;
    }

.flower_light-8{
        left: -6vmin;
        animation-delay: 3.5s;
    }

.light{
    position: absolute;
    bottom: 0vmin;
    width: 1vmin;
    height: 1vmin;
    background-color: rgb(255, 251, 0);
    border-radius: 50%;
    filter: blur(0.2vmin);
    animation: light-ans-background 7s linear infinite backwards;
}
    :nth-child(odd){
        background-color: #23f0ff;
    }

.light-1{
        left: 10vmin;
        animation-delay: 1s;
    }

.light-2{
        left: 20vmin;
        animation-delay: 0.5s;
    }

.light-3{
        left: 60vmin;
        animation-delay: 0.3s;
    }

.light-4{
        left: 80vmin;
        animation-delay: 0.9s;
    }

.light-5{
        left: 45vmin;
        animation-delay: 1.5s;
    }

.light-6{
        left: 10vmin;
        animation-delay: 3s;
    }

.light-7{
        left: 90vmax;
        animation-delay: 2s;
    }

.light-8{
        left: 60vmax;
        animation-delay: 3.5s;
    }

.light-9{
        left: 70vmax;
        animation-delay: 2s;
    }

.light-10{
        left: 95vmax;
        animation-delay: 3.5s;
    }

.light-11{
        left: 75vmax;
        animation-delay: 3s;
    }

.light-12{
        left: 85vmax;
        animation-delay: 0.5s;
    }

@keyframes open-flower-leaves{
    0%{
        opacity: 0;
        transform: translateX(-50%) scale(0);
    }
}

@keyframes open-flower{
    0%{
        transform: translateX(-50%) rotate(0);
    }
}

@keyframes open-flower-middle{
    0%{
        opacity: 0;
        transform: translateX(-50%) scale(0);
    }
}

@keyframes light-ans {
    0% {
      opacity: 0;
      transform: translateY(0vmin);
    }
  
    25% {
      opacity: 1;
      transform: translateY(-5vmin) translateX(-2vmin);
    }
  
    50% {
      opacity: 1;
      transform: translateY(-15vmin) translateX(2vmin);
      filter: blur(0.2vmin);
    }
  
    75% {
      transform: translateY(-20vmin) translateX(-2vmin);
      filter: blur(0.2vmin);
    }
  
    100% {
      transform: translateY(-30vmin);
      opacity: 0;
      filter: blur(1vmin);
    }
}

@keyframes light-ans-background {
    0% {
      opacity: 0;
      transform: translateY(0vmin);
    }
  
    25% {
      opacity: 1;
      transform: translateY(-10vmin) translateX(-2vmin);
    }
  
    50% {
      opacity: 1;
      transform: translateY(-20vmin) translateX(2vmin);
      filter: blur(0.2vmin);
    }
  
    60% {
      transform: translateY(-30vmin) translateX(-2vmin);
      filter: blur(0.2vmin);
    }
  
    70% {
        transform: translateY(-40vmin) translateX(2vmin);
        filter: blur(0.2vmin);
    }

80% {
        transform: translateY(-50vmin) translateX(-2vmin);
        filter: blur(0.2vmin);
    }

100% {
      transform: translateY(-60vmin);
      opacity: 0;
      filter: blur(1vmin);
    }
}