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這篇文章主要介紹怎么用CSS3制作愛心加，文中介紹的非常詳細(xì)，具有一定的參考價(jià)值，感興趣的小伙伴們一定要看完！
效果大概長這樣
1、首先html創(chuàng)建新文件，定義9個(gè)div標(biāo)簽。
<div class="header-0"></div> <div class="header-1"></div> <div class="header-2"></div> <div class="header-3"></div> <div class="header-4"></div> <div class="header-5"></div> <div class="header-6"></div> <div class="header-7"></div> <div class="header-8"></div>
2、開始定義css樣式來進(jìn)行修飾添加background-color屬性設(shè)置背景顏色，寬度設(shè)置為100%，高度設(shè)置為100%，margin屬性設(shè)置所有外邊距屬性。
body {
width: 100%;
height: 100%;
margin: 0;
background-color: #ccc;
}3、container標(biāo)題文本樣式，利用align-items屬性居中對(duì)齊。
.container {
display: flex;
width: 100%;
height: 100%;
justify-content: center;
align-items: center;4、header標(biāo)題文本樣式，利用position屬性指定一個(gè)元素定位。
.header {
position: relative;
width: 138px;
/* display: flex; */5、class*='header-'標(biāo)題文本樣式，利用position屬性定位元素，語法“position: absolute;top: -5px;border-radius: 5px”生成絕對(duì)定位的元素。
[class*='header-']{
position: absolute;
width: 10px;
height: 10px;
top: -5px;
border-radius: 5px;
}6、header0-8標(biāo)題文本樣式，利用animation（動(dòng)畫）屬性綁定到每8個(gè)元素，讓元素?cái)[動(dòng)起來。
.header-0,
.header-8 {
animation: header-0 3.2s infinite;
}
.header-1,
.header-7 {
animation: header-1 3.2s infinite;
}
.header-2,
.header-6 {
animation: header-2 3.2s infinite;
}
.header-3,
.header-5 {
animation: header-3 3.2s infinite;
}
.header-4 {
animation: header-4 3.2s infinite;
}7、使用4個(gè)@keyframes規(guī)則，給4個(gè)創(chuàng)建動(dòng)畫逐步改變0％是開頭動(dòng)畫，100％。
@keyframes header-0 {
0%,
10%,
90%,
100% {
height: 10px;
top: -5px;
}
45%,
55% {
height: 30px;
top: -10px;
}
}
@keyframes header-1 {
0%,
10%,
90%,
100% {
height: 10px;
top: -5px;
}
45%,
55% {
height: 60px;
top: -31px;
}
}
@keyframes header-2 {
0%,
10%,
90%,
100% {
height: 10px;
top: -5px;
}
45%,
55% {
height: 80px;
top: -37px;
}
}
@keyframes header-3 {
0%,
10%,
90%,
100% {
height: 10px;
top: -5px;
}
45%,
55% {
height: 90px;
top: -31px;
}
}
@keyframes header-4 {
0%,
10%,
90%,
100% {
height: 10px;
top: -5px;
}
45%,
55% {
height: 94px;
top: -23px;
}8、header0-8標(biāo)題文本樣式添加animation-delay屬性等待1秒然后開始動(dòng)畫，background屬性設(shè)置顏色綁定8個(gè)元素。
.header-0 {
left: 0;
animation-delay: 0s;
background: #92fe9d;
}
.header-1 {
left: 16px;
animation-delay: 0.15s;
background: #00c9ff;
}
.header-2 {
left: 32px;
animation-delay: 0.3s;
background: #ff758c;
}
.header-3 {
left: 48px;
animation-delay: 0.45s;
background: #ff7eb3;
}
.header-4 {
left: 66px;
animation-delay: 0.6s;
background: #fa71cd;
}
.header-5 {
left: 82px;
animation-delay: 0.75s;
background: #6f86d6;
}
.header-6 {
left: 98px;
animation-delay: 0.9s;
background: #f9f586;
}
.header-7 {
left: 114px;
animation-delay: 1.05s;
background: #b1f4cf;
}
.header-8 {
left: 130px;
animation-delay: 1.2s;
background: #fef9d7;
}代碼效果出來了
下面完整代碼
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>愛心加載</title>
<style>
html,body {
width: 100%;
height: 100%;
margin: 0;
background-color: #ccc;
}
.container {
display: flex;
width: 100%;
height: 100%;
justify-content: center;
align-items: center;
}
.header {
position: relative;
width: 138px;
/* display: flex; */
}
[class*='header-']{
position: absolute;
width: 10px;
height: 10px;
top: -5px;
border-radius: 5px;
}
.header-0,
.header-8 {
animation: header-0 3.2s infinite;
}
.header-1,
.header-7 {
animation: header-1 3.2s infinite;
}
.header-2,
.header-6 {
animation: header-2 3.2s infinite;
}
.header-3,
.header-5 {
animation: header-3 3.2s infinite;
}
.header-4 {
animation: header-4 3.2s infinite;
}
@keyframes header-0 {
0%,
10%,
90%,
100% {
height: 10px;
top: -5px;
}
45%,
55% {
height: 30px;
top: -10px;
}
}
@keyframes header-1 {
0%,
10%,
90%,
100% {
height: 10px;
top: -5px;
}
45%,
55% {
height: 60px;
top: -31px;
}
}
@keyframes header-2 {
0%,
10%,
90%,
100% {
height: 10px;
top: -5px;
}
45%,
55% {
height: 80px;
top: -37px;
}
}
@keyframes header-3 {
0%,
10%,
90%,
100% {
height: 10px;
top: -5px;
}
45%,
55% {
height: 90px;
top: -31px;
}
}
@keyframes header-4 {
0%,
10%,
90%,
100% {
height: 10px;
top: -5px;
}
45%,
55% {
height: 94px;
top: -23px;
}
}
.header-0 {
left: 0;
animation-delay: 0s;
background: #92fe9d;
}
.header-1 {
left: 16px;
animation-delay: 0.15s;
background: #00c9ff;
}
.header-2 {
left: 32px;
animation-delay: 0.3s;
background: #ff758c;
}
.header-3 {
left: 48px;
animation-delay: 0.45s;
background: #ff7eb3;
}
.header-4 {
left: 66px;
animation-delay: 0.6s;
background: #fa71cd;
}
.header-5 {
left: 82px;
animation-delay: 0.75s;
background: #6f86d6;
}
.header-6 {
left: 98px;
animation-delay: 0.9s;
background: #f9f586;
}
.header-7 {
left: 114px;
animation-delay: 1.05s;
background: #b1f4cf;
}
.header-8 {
left: 130px;
animation-delay: 1.2s;
background: #fef9d7;
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<div class="header-0"></div>
<div class="header-1"></div>
<div class="header-2"></div>
<div class="header-3"></div>
<div class="header-4"></div>
<div class="header-5"></div>
<div class="header-6"></div>
<div class="header-7"></div>
<div class="header-8"></div>
</div>
</div>
</body>
</html>以上是“怎么用CSS3制作愛心加”這篇文章的所有內(nèi)容，感謝各位的閱讀！希望分享的內(nèi)容對(duì)大家有幫助，更多相關(guān)知識(shí)，歡迎關(guān)注億速云行業(yè)資訊頻道！
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