html代码:
<!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>仅css动画背景粒子效果</title> <link rel="stylesheet" href="style.css"> </head> <body> <div class="container"> <div class="particles"> <span style="--i:11;"></span> <span style="--i:12;"></span> <span style="--i:21;"></span> <span style="--i:10;"></span> <span style="--i:25;"></span> <span style="--i:18;"></span> <span style="--i:13;"></span> <span style="--i:26;"></span> <span style="--i:14;"></span> <span style="--i:27;"></span> <span style="--i:15;"></span> <span style="--i:22;"></span> <span style="--i:17;"></span> <span style="--i:16;"></span> <span style="--i:28;"></span> <span style="--i:19;"></span> <span style="--i:20;"></span> <span style="--i:23;"></span> <span style="--i:24;"></span> <span style="--i:29;"></span> <span style="--i:11;"></span> <span style="--i:12;"></span> <span style="--i:21;"></span> <span style="--i:10;"></span> <span style="--i:25;"></span> <span style="--i:18;"></span> <span style="--i:13;"></span> <span style="--i:26;"></span> <span style="--i:14;"></span> <span style="--i:27;"></span> <span style="--i:15;"></span> <span style="--i:22;"></span> <span style="--i:17;"></span> <span style="--i:16;"></span> <span style="--i:28;"></span> <span style="--i:19;"></span> <span style="--i:20;"></span> <span style="--i:23;"></span> <span style="--i:24;"></span> <span style="--i:29;"></span> </div> </div> </body> </html>
css代码:
* { margin:0; padding:0; box-sizing: border-box; } body { display: flex; justify-content: center; align-items: center; min-height: 100vh; background:#09111d; } .container { position:relative; width:100%; height:100vh; overflow: hidden; } .particles { position:relative; display: flex; z-index: 1; padding:0 20px; } .particles span { position:relative; bottom:30px; width:30px; height:30px; background:#4fc3dc; box-shadow: 0 0 0 10px #4fcedc44, 0 0 50px #4fc3dc, -100px 0 #4fc3dc99, 100px 0 #ff2d7599; margin: 0 4px; border-radius: 50%; animation:animate 15s ease infinite; animation-duration: calc(125s / var(--i)); } .particles span:nth-child(even) { background:#ff2d75; box-shadow: 0 0 0 10px #ff2d7544, 0 0 50px #ff2d75, -100px 0 #4fc3dc99, 100px 0 #4fc3dc99; } @keyframes animate { 0% { transform: translateY(120vh) scale(0) rotate(0deg); } 20% { transform: translateY(100vh) scale(1) rotate(0deg); } 100% { transform: translateY(-50vh) scale(0.5) rotate(360deg); } }
坚持的力量
wordpress建站,视频剪辑拍摄,动画制作