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采购合同关键词优化有哪些作用

news 2025/7/12 9:00:45

采购合同,关键词优化有哪些作用,网页和网站的不同,吉林市最新疫情今天带来的是普灵普灵的loader闪烁加载框效果如下开源精神给我们带来了源码 ,源码如下 <!DOCTYPE html> <html lang"en"><head><meta charset"UTF-8"><meta name"viewport" content"widthdevice-width, in…

今天带来的是普灵普灵的loader闪烁加载框

效果如下
在这里插入图片描述
开源精神给我们带来了源码
,源码如下

<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>star Particles</title><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.2/css/all.min.css"integrity="sha512-z3gLpd7yknf1YoNbCzqRKc4qyor8gaKU1qmn+CShxbuBusANI9QpRohGBreCFkKxLhei6S9CQXFEbbKuqLg0DA=="crossorigin="anonymous" referrerpolicy="no-referrer" /><style>* {margin: 0;padding: 0;box-sizing: border-box;}body {display: flex;justify-content: center;align-items: center;min-height: 100vh;background-color: #131a1c;}.loader {position: relative;width: 300px;height: 300px;display: flex;justify-content: center;align-self: center;animation: animate-color 7.2s linear infinite;}.loader span {position: absolute;transform-origin: 150px;transform: translateX(-150px) rotate(calc(var(--i) * 30deg));filter: drop-shadow(0 0 5px #3cc2ff) drop-shadow(0 0 15px #3cc2ff) drop-shadow(0 0 30px #3cc2ff);}.loader span i {position: relative;color: #3cc2ff;animation: rotate-stars 2.4s linear infinite;animation-delay: calc(var(--i) * 0.2s);}.loader span::before {content: '\f005';position: absolute;font-family: fontAwesome;font-size: 0.75em;color: #131a1c;animation: rotate-particle 2.4s linear infinite;animation-delay: calc(var(--i) * -0.2s);}@keyframes rotate-stars {0% {transform: rotate(0deg) scale(0);}50% {transform: rotate(180deg) scale(3);}100% {transform: rotate(360deg) scale(0);}}@keyframes animate-color {0% {filter: hue-rotate(0deg);}100% {filter: hue-rotate(360deg);}}@keyframes rotate-particle {0% {scale: 1;opacity: 0;rotate: 0deg;}50% {scale: 1;opacity: 1;rotate: 180deg;}100% {scale: 0;opacity: 0;rotate: 360deg;filter: drop-shadow(-150px 0 #3cc2ff) drop-shadow(150px 0 #3cc2ff) drop-shadow(0 150px #3cc2ff) drop-shadow(0 -150px #3cc2ff);}}</style>
</head><body><div class="loader"><span style="--i:1;"><i class="fa-solid fa-star"></i></span><span style="--i:2;"><i class="fa-solid fa-star"></i></span><span style="--i:3;"><i class="fa-solid fa-star"></i></span><span style="--i:4;"><i class="fa-solid fa-star"></i></span><span style="--i:5;"><i class="fa-solid fa-star"></i></span><span style="--i:6;"><i class="fa-solid fa-star"></i></span><span style="--i:7;"><i class="fa-solid fa-star"></i></span><span style="--i:8;"><i class="fa-solid fa-star"></i></span><span style="--i:9;"><i class="fa-solid fa-star"></i></span><span style="--i:10;"><i class="fa-solid fa-star"></i></span><span style="--i:11;"><i class="fa-solid fa-star"></i></span><span style="--i:12;"><i class="fa-solid fa-star"></i></span></div>
</body></html>