|
| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en"> |
| 3 | + <head> |
| 4 | + <meta charset="UTF-8" /> |
| 5 | + <meta name="viewport" content="width=device-width, initial-scale=1.0" /> |
| 6 | + <title>Colorful Glowing Button</title> |
| 7 | + <style> |
| 8 | + body { |
| 9 | + font-family: Arial, sans-serif; |
| 10 | + background-color: #000000; |
| 11 | + color: #ffffff; |
| 12 | + display: flex; |
| 13 | + justify-content: center; |
| 14 | + align-items: center; |
| 15 | + height: 100vh; |
| 16 | + margin: 0; |
| 17 | + } |
| 18 | + |
| 19 | + .glowing-button { |
| 20 | + border: none; |
| 21 | + background-color: #1f1f1f; |
| 22 | + color: white; |
| 23 | + padding: 15px 30px; |
| 24 | + font-size: 16px; |
| 25 | + font-weight: bold; |
| 26 | + border-radius: 50px; |
| 27 | + cursor: pointer; |
| 28 | + position: relative; |
| 29 | + text-transform: uppercase; |
| 30 | + transition: all 0.3s ease; |
| 31 | + } |
| 32 | + |
| 33 | + .glowing-button::after { |
| 34 | + content: ""; |
| 35 | + position: absolute; |
| 36 | + top: 0; |
| 37 | + left: 0; |
| 38 | + width: 100%; |
| 39 | + height: 100%; |
| 40 | + border-radius: 50px; |
| 41 | + background: conic-gradient( |
| 42 | + from 0deg, |
| 43 | + #ff0000, |
| 44 | + #ff7300, |
| 45 | + #ffeb00, |
| 46 | + #47ff00, |
| 47 | + #00ffee, |
| 48 | + #2b65ff, |
| 49 | + #8000ff, |
| 50 | + #ff0000 |
| 51 | + ); |
| 52 | + opacity: 0; |
| 53 | + transition: all 0.3s ease; |
| 54 | + /* z-index 创建了一个新的 stacking context,这样它就能放在 button 的下边。 |
| 55 | + 因为 ::before 和 ::after 是在原元素本身内部创建新的元素。 |
| 56 | + 如果想把伪元素的背景覆盖到父元素上边,需要给 button 设置 z-index: 1 */ |
| 57 | + z-index: -1; |
| 58 | + filter: blur(12px); |
| 59 | + } |
| 60 | + |
| 61 | + .glowing-button:hover::after { |
| 62 | + opacity: 1; |
| 63 | + scale: 1.2; |
| 64 | + } |
| 65 | + |
| 66 | + /* .glowing-button:hover { |
| 67 | + box-shadow: 0 0 30px #ff0000, 0 0 40px #47ff00, 0 0 50px #2b65ff; |
| 68 | + } */ |
| 69 | + </style> |
| 70 | + </head> |
| 71 | + <body> |
| 72 | + <div style="text-align: center"> |
| 73 | + <button class="glowing-button">Button</button> |
| 74 | + </div> |
| 75 | + </body> |
| 76 | +</html> |
0 commit comments