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---
title: 文字背景粒子特效
author: Luckey
coverImg: /medias/banner/7.jpg
top: false
cover: false
toc: true
mathjax: false
summary: '一款jQuery+CSS3的文字背景粒子动画特效，一共6种粒子效果，每种文字背景的粒子效果都不同，有漂浮的有坠落的等等。 '
tags:
- jQuery+CSS3
- 粒子特效
20220427初版已形成
3 years ago
- 转载
new
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categories:
20220427初版已形成
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- Luckey博客篇
new
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- 前端篇
abbrlink: 4b3510a4
reprintPolicy: cc_by
date: 2020-03-27 00:00:00
img:
password:
---
### 前言
一款jQuery+CSS3的文字背景粒子动画特效，一共6种粒子效果，每种文字背景的粒子效果都不同，有漂浮的有坠落的等等。
### 0x001 特效演示
---
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" ><span class="particletext fire" style="font-size:48px;position: relative;">This is fires</span></div>
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" > <span class="particletext lines" style="font-size:48px; position: relative;">This is lines</span>
</div>
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" ><span class="particletext hearts" style="font-size:48px; position: relative;">This is hearts</span></div>
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" > <span class="particletext bubbles" style="font-size:48px; position: relative;">This is bubbles</span>
</div>
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" > <span class="particletext confetti" style="font-size:48px; position: relative;">This is confetti</span>
</div>
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" > <span class="particletext sunbeams" style="font-size:48px; position: relative;">This is sunbeams</span>
</div>
<style>
.particletext {
}
.fire > .particle {
position: absolute;
background-color: rgba(255, 193, 7, 0.5);
border-radius: 40px;
border-top-right-radius: 0px;
-webkit-animation: fires 0.8s linear infinite;
animation: fires 0.8s linear infinite;
-webkit-transform: rotate(-45deg);
transform: rotate(-45deg);
opacity: 0;
}
/*css keyframes 动画*/
@-webkit-keyframes fires {
0% {
-webkit-transform: rotate(-70deg) translateY(0%);
transform: rotate(-70deg) translateY(0%);
}
25% {
-webkit-transform: rotate(-20deg) translateY(-5%);
transform: rotate(-20deg) translateY(-5%);
opacity: 1;
}
50% {
-webkit-transform: rotate(-70deg) translateY(-10%);
transform: rotate(-70deg) translateY(-10%);
}
75% {
-webkit-transform: rotate(-20deg) translateY(-20%);
transform: rotate(-20deg) translateY(-20%);
}
100% {
-webkit-transform: rotate(-70deg) translateY(-40%);
transform: rotate(-70deg) translateY(-40%);
opacity: 1;
}
}
@keyframes fires {
0% {
-webkit-transform: rotate(-70deg) translateY(0%);
transform: rotate(-70deg) translateY(0%);
}
25% {
-webkit-transform: rotate(-20deg) translateY(-5%);
transform: rotate(-20deg) translateY(-5%);
opacity: 1;
}
50% {
-webkit-transform: rotate(-70deg) translateY(-10%);
transform: rotate(-70deg) translateY(-10%);
}
75% {
-webkit-transform: rotate(-20deg) translateY(-20%);
transform: rotate(-20deg) translateY(-20%);
}
100% {
-webkit-transform: rotate(-70deg) translateY(-40%);
transform: rotate(-70deg) translateY(-40%);
opacity: 1;
}
}
</style>
<script type="text/javascript" src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script>
function fire() {
$.each($(".particletext.fire"), function(){
var firecount = ($(this).width()/50)*20;
for(var i = 0; i <= firecount; i++) {
var size = $.rnd(8,12);
$(this).append('<span class="particle" style="top:' + $.rnd(40,70) + '%; left:' + $.rnd(-10,100) + '%;width:' + size + 'px; height:' + size + 'px;animation-delay: ' + ($.rnd(0,20)/10) + 's;"></span>');
}
});
}
</script>
<style>
.lines > .particle {
position: absolute;
background-color: rgba(244, 67, 54, 0.5);
-webkit-animation: lines 3s linear infinite;
animation: lines 3s linear infinite;
}
@-webkit-keyframes lines {
0%, 50%, 100% {
-webkit-transform: translateY(0%);
transform: translateY(0%);
}
25% {
-webkit-transform: translateY(100%);
transform: translateY(100%);
}
75% {
-webkit-transform: translateY(-100%);
transform: translateY(-100%);
}
}
@keyframes lines {
0%, 50%, 100% {
-webkit-transform: translateY(0%);
transform: translateY(0%);
}
25% {
-webkit-transform: translateY(100%);
transform: translateY(100%);
}
75% {
-webkit-transform: translateY(-100%);
transform: translateY(-100%);
}
}
</style>
<script>
function lines() {
$.each($(".particletext.lines"), function(){
var linecount = ($(this).width()/50)*10;
for(var i = 0; i <= linecount; i++) {
$(this).append('<span class="particle" style="top:' + $.rnd(-30,30) + '%; left:' + $.rnd(-10,110) + '%;width:' + $.rnd(1,3) + 'px; height:' + $.rnd(20,80) + '%;animation-delay: -' + ($.rnd(0,30)/10) + 's;"></span>');
}
});
}
</script>
<style>
.hearts > .particle {
opacity: 0;
position: absolute;
background-color: #cc2a5d;
-webkit-animation: hearts 3s ease-in infinite;
animation: hearts 3s ease-in infinite;
}
.hearts > .particle:before,.hearts > .particle:after {
position: absolute;
content: '';
border-radius: 100px;
top: 0px;
left: 0px;
width: 100%;
height: 100%;
background-color: #cc2a5d;
}
.hearts > .particle:before {
-webkit-transform: translateX(-50%);
transform: translateX(-50%);
}
.hearts > .particle:after {
-webkit-transform: translateY(-50%);
transform: translateY(-50%);
}
@-webkit-keyframes hearts {
0% {
opacity: 0;
-webkit-transform: translate(0, 0%) rotate(45deg);
transform: translate(0, 0%) rotate(45deg);
}
20% {
opacity: 0.8;
-webkit-transform: translate(0, -20%) rotate(45deg);
transform: translate(0, -20%) rotate(45deg);
}
100% {
opacity: 0;
-webkit-transform: translate(0, -1000%) rotate(45deg);
transform: translate(0, -1000%) rotate(45deg);
}
}
@keyframes hearts {
0% {
opacity: 0;
-webkit-transform: translate(0, 0%) rotate(45deg);
transform: translate(0, 0%) rotate(45deg);
}
20% {
opacity: 0.8;
-webkit-transform: translate(0, -20%) rotate(45deg);
transform: translate(0, -20%) rotate(45deg);
}
100% {
opacity: 0;
-webkit-transform: translate(0, -1000%) rotate(45deg);
transform: translate(0, -1000%) rotate(45deg);
}
}
</style>
<script>
function hearts() {
$.each($(".particletext.hearts"), function(){
var heartcount = ($(this).width()/50)*5;
for(var i = 0; i <= heartcount; i++) {
var size = ($.rnd(60,120)/10);
$(this).append('<span class="particle" style="top:' + $.rnd(20,80) + '%; left:' + $.rnd(0,95) + '%;width:' + size + 'px; height:' + size + 'px;animation-delay: ' + ($.rnd(0,30)/10) + 's;"></span>');
}
});
}
</script>
<style>
.bubbles > .particle {
opacity: 0;
position: absolute;
background-color: rgba(33, 150, 243, 0.5);
-webkit-animation: bubbles 3s ease-in infinite;
animation: bubbles 3s ease-in infinite;
border-radius: 100%;
}
@-webkit-keyframes bubbles {
0% {
opacity: 0;
}
20% {
opacity: 1;
-webkit-transform: translate(0, -20%);
transform: translate(0, -20%);
}
100% {
opacity: 0;
-webkit-transform: translate(0, -1000%);
transform: translate(0, -1000%);
}
}
@keyframes bubbles {
0% {
opacity: 0;
}
20% {
opacity: 1;
-webkit-transform: translate(0, -20%);
transform: translate(0, -20%);
}
100% {
opacity: 0;
-webkit-transform: translate(0, -1000%);
transform: translate(0, -1000%);
}
}
</style>
<script>
function bubbles() {
$.each($(".particletext.bubbles"), function(){
var bubblecount = ($(this).width()/50)*10;
for(var i = 0; i <= bubblecount; i++) {
var size = ($.rnd(40,80)/10);
$(this).append('<span class="particle" style="top:' + $.rnd(20,80) + '%; left:' + $.rnd(0,95) + '%;width:' + size + 'px; height:' + size + 'px;animation-delay: ' + ($.rnd(0,30)/10) + 's;"></span>');
}
});
}
</script>
<style>
.confetti > .particle {
opacity: 0;
position: absolute;
-webkit-animation: confetti 3s ease-in infinite;
animation: confetti 3s ease-in infinite;
}
.confetti > .particle.c1 {
background-color: rgba(76, 175, 80, 0.5);
}
.confetti > .particle.c2 {
background-color: rgba(156, 39, 176, 0.5);
}
@-webkit-keyframes confetti {
0% {
opacity: 0;
-webkit-transform: translateY(0%) rotate(0deg);
transform: translateY(0%) rotate(0deg);
}
10% {
opacity: 1;
}
35% {
-webkit-transform: translateY(-800%) rotate(270deg);
transform: translateY(-800%) rotate(270deg);
}
80% {
opacity: 1;
}
100% {
opacity: 0;
-webkit-transform: translateY(2000%) rotate(1440deg);
transform: translateY(2000%) rotate(1440deg);
}
}
@keyframes confetti {
0% {
opacity: 0;
-webkit-transform: translateY(0%) rotate(0deg);
transform: translateY(0%) rotate(0deg);
}
10% {
opacity: 1;
}
35% {
-webkit-transform: translateY(-800%) rotate(270deg);
transform: translateY(-800%) rotate(270deg);
}
80% {
opacity: 1;
}
100% {
opacity: 0;
-webkit-transform: translateY(2000%) rotate(1440deg);
transform: translateY(2000%) rotate(1440deg);
}
}
</style>
<script>
function confetti() {
$.each($(".particletext.confetti"), function(){
var confetticount = ($(this).width()/50)*10;
for(var i = 0; i <= confetticount; i++) {
$(this).append('<span class="particle c' + $.rnd(1,2) + '" style="top:' + $.rnd(10,50) + '%; left:' + $.rnd(0,100) + '%;width:' + $.rnd(6,8) + 'px; height:' + $.rnd(3,4) + 'px;animation-delay: ' + ($.rnd(0,30)/10) + 's;"></span>');
}
});
}
</script>
<style>
.sunbeams > .particle {
position: absolute;
background-color: rgba(253, 216, 53, 0.5);
-webkit-animation: sunbeams 3s linear infinite;
animation: sunbeams 3s linear infinite;
}
@-webkit-keyframes sunbeams {
0% {
-webkit-transform: translateY(40%) rotate(0deg);
transform: translateY(40%) rotate(0deg);
}
50% {
-webkit-transform: translateY(-40%) rotate(180deg);
transform: translateY(-40%) rotate(180deg);
}
100% {
-webkit-transform: translateY(40%) rotate(360deg);
transform: translateY(40%) rotate(360deg);
}
0%,14%,17%,43%,53%,71%,80%,94%,100% {
opacity: 0;
}
6%,15%,24%,28%,48%,55%,78%,82%,99% {
opacity: 1;
}
}
@keyframes sunbeams {
0% {
-webkit-transform: translateY(40%) rotate(0deg);
transform: translateY(40%) rotate(0deg);
}
50% {
-webkit-transform: translateY(-40%) rotate(180deg);
transform: translateY(-40%) rotate(180deg);
}
100% {
-webkit-transform: translateY(40%) rotate(360deg);
transform: translateY(40%) rotate(360deg);
}
0%,14%,17%,43%,53%,71%,80%,94%,100% {
opacity: 0;
}
6%,15%,24%,28%,48%,55%,78%,82%,99% {
opacity: 1;
}
}
</style>
<script>
function sunbeams() {
$.each($(".particletext.sunbeams"), function(){
var linecount = ($(this).width()/50)*10;
for(var i = 0; i <= linecount; i++) {
$(this).append('<span class="particle" style="top:' + $.rnd(-50,00) + '%; left:' + $.rnd(0,100) + '%;width:' + $.rnd(1,3) + 'px; height:' + $.rnd(80,160) + '%;animation-delay: -' + ($.rnd(0,30)/10) + 's;"></span>');
}
});
}
</script>
<script type="text/javascript">
function initparticles() {
bubbles();
hearts();
lines();
confetti();
fire();
sunbeams();
}
jQuery.rnd = function(m,n) {
m = parseInt(m);
n = parseInt(n);
return Math.floor( Math.random() * (n - m + 1) ) + m;
}
initparticles();
</script>
### 0x002 Fires 特效
#### 1. JS 代码
```javascript
<script>
function fire() {
$.each($(".particletext.fire"), function(){
var firecount = ($(this).width()/50)*20;
for(var i = 0; i <= firecount; i++) {
var size = $.rnd(8,12);
$(this).append('<span class="particle" style="top:' + $.rnd(40,70) + '%; left:' + $.rnd(-10,100) + '%;width:' + size + 'px; height:' + size + 'px;animation-delay: ' + ($.rnd(0,20)/10) + 's;"></span>');
}
});
}
jQuery.rnd = function(m,n) {
m = parseInt(m);
n = parseInt(n);
return Math.floor( Math.random() * (n - m + 1) ) + m;
}
fire();
</script>
```
#### 2. CSS 代码
```css
<style>
.fire > .particle {
position: absolute;
background-color: rgba(255, 193, 7, 0.5);
border-radius: 40px;
border-top-right-radius: 0px;
-webkit-animation: fires 0.8s linear infinite;
animation: fires 0.8s linear infinite;
-webkit-transform: rotate(-45deg);
transform: rotate(-45deg);
opacity: 0;
}
@-webkit-keyframes fires {
0% {
-webkit-transform: rotate(-70deg) translateY(0%);
transform: rotate(-70deg) translateY(0%);
}
25% {
-webkit-transform: rotate(-20deg) translateY(-5%);
transform: rotate(-20deg) translateY(-5%);
opacity: 1;
}
50% {
-webkit-transform: rotate(-70deg) translateY(-10%);
transform: rotate(-70deg) translateY(-10%);
}
75% {
-webkit-transform: rotate(-20deg) translateY(-20%);
transform: rotate(-20deg) translateY(-20%);
}
100% {
-webkit-transform: rotate(-70deg) translateY(-40%);
transform: rotate(-70deg) translateY(-40%);
opacity: 1;
}
}
@keyframes fires {
0% {
-webkit-transform: rotate(-70deg) translateY(0%);
transform: rotate(-70deg) translateY(0%);
}
25% {
-webkit-transform: rotate(-20deg) translateY(-5%);
transform: rotate(-20deg) translateY(-5%);
opacity: 1;
}
50% {
-webkit-transform: rotate(-70deg) translateY(-10%);
transform: rotate(-70deg) translateY(-10%);
}
75% {
-webkit-transform: rotate(-20deg) translateY(-20%);
transform: rotate(-20deg) translateY(-20%);
}
100% {
-webkit-transform: rotate(-70deg) translateY(-40%);
transform: rotate(-70deg) translateY(-40%);
opacity: 1;
}
}
</style>
```
#### 3. HTML 代码
```html
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" >
<span class="particletext fire" style="font-size:48px;position: relative;">This is fires</span>
</div>
```
### 0x003 Lines 特效
#### 1. JS 代码
```javascript
<script>
function lines() {
$.each($(".particletext.lines"), function(){
var linecount = ($(this).width()/50)*10;
for(var i = 0; i <= linecount; i++) {
$(this).append('<span class="particle" style="top:' + $.rnd(-30,30) + '%; left:' + $.rnd(-10,110) + '%;width:' + $.rnd(1,3) + 'px; height:' + $.rnd(20,80) + '%;animation-delay: -' + ($.rnd(0,30)/10) + 's;"></span>');
}
});
}
jQuery.rnd = function(m,n) {
m = parseInt(m);
n = parseInt(n);
return Math.floor( Math.random() * (n - m + 1) ) + m;
}
lines();
</script>
```
#### 2. CSS 代码
```css
<style>
.lines > .particle {
position: absolute;
background-color: rgba(244, 67, 54, 0.5);
-webkit-animation: lines 3s linear infinite;
animation: lines 3s linear infinite;
}
@-webkit-keyframes lines {
0%, 50%, 100% {
-webkit-transform: translateY(0%);
transform: translateY(0%);
}
25% {
-webkit-transform: translateY(100%);
transform: translateY(100%);
}
75% {
-webkit-transform: translateY(-100%);
transform: translateY(-100%);
}
}
@keyframes lines {
0%, 50%, 100% {
-webkit-transform: translateY(0%);
transform: translateY(0%);
}
25% {
-webkit-transform: translateY(100%);
transform: translateY(100%);
}
75% {
-webkit-transform: translateY(-100%);
transform: translateY(-100%);
}
}
</style>
```
#### 3. HTML 代码
```html
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" >
<span class="particletext lines" style="font-size:48px; position: relative;">This is lines</span>
</div>
```
### 0x004 Hearts 特效
#### 1. JS 代码
```javascript
<script>
function hearts() {
$.each($(".particletext.hearts"), function(){
var heartcount = ($(this).width()/50)*5;
for(var i = 0; i <= heartcount; i++) {
var size = ($.rnd(60,120)/10);
$(this).append('<span class="particle" style="top:' + $.rnd(20,80) + '%; left:' + $.rnd(0,95) + '%;width:' + size + 'px; height:' + size + 'px;animation-delay: ' + ($.rnd(0,30)/10) + 's;"></span>');
}
});
}
jQuery.rnd = function(m,n) {
m = parseInt(m);
n = parseInt(n);
return Math.floor( Math.random() * (n - m + 1) ) + m;
}
hearts();
</script>
```
#### 2. CSS 代码
```css
<style>
.hearts > .particle {
opacity: 0;
position: absolute;
background-color: #cc2a5d;
-webkit-animation: hearts 3s ease-in infinite;
animation: hearts 3s ease-in infinite;
}
.hearts > .particle:before, .hearts > .particle:after {
position: absolute;
content: '';
border-radius: 100px;
top: 0px;
left: 0px;
width: 100%;
height: 100%;
background-color: #cc2a5d;
}
.hearts > .particle:before {
-webkit-transform: translateX(-50%);
transform: translateX(-50%);
}
.hearts > .particle:after {
-webkit-transform: translateY(-50%);
transform: translateY(-50%);
}
@-webkit-keyframes hearts {
0% {
opacity: 0;
-webkit-transform: translate(0, 0%) rotate(45deg);
transform: translate(0, 0%) rotate(45deg);
}
20% {
opacity: 0.8;
-webkit-transform: translate(0, -20%) rotate(45deg);
transform: translate(0, -20%) rotate(45deg);
}
100% {
opacity: 0;
-webkit-transform: translate(0, -1000%) rotate(45deg);
transform: translate(0, -1000%) rotate(45deg);
}
}
@keyframes hearts {
0% {
opacity: 0;
-webkit-transform: translate(0, 0%) rotate(45deg);
transform: translate(0, 0%) rotate(45deg);
}
20% {
opacity: 0.8;
-webkit-transform: translate(0, -20%) rotate(45deg);
transform: translate(0, -20%) rotate(45deg);
}
100% {
opacity: 0;
-webkit-transform: translate(0, -1000%) rotate(45deg);
transform: translate(0, -1000%) rotate(45deg);
}
}
</style>
```
#### 3. HTML 代码
```html
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" >
<span class="particletext hearts" style="font-size:48px; position: relative;">This is hearts</span>
</div>
```
### 0x005 Bubbles 特效
#### 1. JS 代码
```javascript
<script>
function bubbles() {
$.each($(".particletext.bubbles"), function(){
var bubblecount = ($(this).width()/50)*10;
for(var i = 0; i <= bubblecount; i++) {
var size = ($.rnd(40,80)/10);
$(this).append('<span class="particle" style="top:' + $.rnd(20,80) + '%; left:' + $.rnd(0,95) + '%;width:' + size + 'px; height:' + size + 'px;animation-delay: ' + ($.rnd(0,30)/10) + 's;"></span>');
}
});
}
jQuery.rnd = function(m,n) {
m = parseInt(m);
n = parseInt(n);
return Math.floor( Math.random() * (n - m + 1) ) + m;
}
bubbles();
</script>
```
#### 2. CSS 代码
```css
<style>
<style>
.bubbles > .particle {
opacity: 0;
position: absolute;
background-color: rgba(33, 150, 243, 0.5);
-webkit-animation: bubbles 3s ease-in infinite;
animation: bubbles 3s ease-in infinite;
border-radius: 100%;
}
@-webkit-keyframes bubbles {
0% {
opacity: 0;
}
20% {
opacity: 1;
-webkit-transform: translate(0, -20%);
transform: translate(0, -20%);
}
100% {
opacity: 0;
-webkit-transform: translate(0, -1000%);
transform: translate(0, -1000%);
}
}
@keyframes bubbles {
0% {
opacity: 0;
}
20% {
opacity: 1;
-webkit-transform: translate(0, -20%);
transform: translate(0, -20%);
}
100% {
opacity: 0;
-webkit-transform: translate(0, -1000%);
transform: translate(0, -1000%);
}
}
</style>
```
#### 3. HTML 代码
```html
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" >
<span class="particletext bubbles" style="font-size:48px; position: relative;">This is bubbles</span>
</div>
```
### 0x006 Confetti 特效
#### 1. JS 代码
```javascript
<script>
function confetti() {
$.each($(".particletext.confetti"), function(){
var confetticount = ($(this).width()/50)*10;
for(var i = 0; i <= confetticount; i++) {
$(this).append('<span class="particle c' + $.rnd(1,2) + '" style="top:' + $.rnd(10,50) + '%; left:' + $.rnd(0,100) + '%;width:' + $.rnd(6,8) + 'px; height:' + $.rnd(3,4) + 'px;animation-delay: ' + ($.rnd(0,30)/10) + 's;"></span>');
}
});
}
jQuery.rnd = function(m,n) {
m = parseInt(m);
n = parseInt(n);
return Math.floor( Math.random() * (n - m + 1) ) + m;
}
confetti();
</script>
```
#### 2. CSS 代码
```css
<style>
.confetti > .particle {
opacity: 0;
position: absolute;
-webkit-animation: confetti 3s ease-in infinite;
animation: confetti 3s ease-in infinite;
}
.confetti > .particle.c1 {
background-color: rgba(76, 175, 80, 0.5);
}
.confetti > .particle.c2 {
background-color: rgba(156, 39, 176, 0.5);
}
@-webkit-keyframes confetti {
0% {
opacity: 0;
-webkit-transform: translateY(0%) rotate(0deg);
transform: translateY(0%) rotate(0deg);
}
10% {
opacity: 1;
}
35% {
-webkit-transform: translateY(-800%) rotate(270deg);
transform: translateY(-800%) rotate(270deg);
}
80% {
opacity: 1;
}
100% {
opacity: 0;
-webkit-transform: translateY(2000%) rotate(1440deg);
transform: translateY(2000%) rotate(1440deg);
}
}
@keyframes confetti {
0% {
opacity: 0;
-webkit-transform: translateY(0%) rotate(0deg);
transform: translateY(0%) rotate(0deg);
}
10% {
opacity: 1;
}
35% {
-webkit-transform: translateY(-800%) rotate(270deg);
transform: translateY(-800%) rotate(270deg);
}
80% {
opacity: 1;
}
100% {
opacity: 0;
-webkit-transform: translateY(2000%) rotate(1440deg);
transform: translateY(2000%) rotate(1440deg);
}
}
</style>
```
#### 3. HTML 代码
```html
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" >
<span class="particletext confetti" style="font-size:48px; position: relative;">This is confetti</span>
</div>
```
### 0x007 Sunbeams 特效
#### 1. JS 代码
```javascript
<script>
function sunbeams() {
$.each($(".particletext.sunbeams"), function(){
var linecount = ($(this).width()/50)*10;
for(var i = 0; i <= linecount; i++) {
$(this).append('<span class="particle" style="top:' + $.rnd(-50,00) + '%; left:' + $.rnd(0,100) + '%;width:' + $.rnd(1,3) + 'px; height:' + $.rnd(80,160) + '%;animation-delay: -' + ($.rnd(0,30)/10) + 's;"></span>');
}
});
}
jQuery.rnd = function(m,n) {
m = parseInt(m);
n = parseInt(n);
return Math.floor( Math.random() * (n - m + 1) ) + m;
}
sunbeams();
</script>
```
#### 2. CSS 代码
```css
<style>
.sunbeams > .particle {
position: absolute;
background-color: rgba(253, 216, 53, 0.5);
-webkit-animation: sunbeams 3s linear infinite;
animation: sunbeams 3s linear infinite;
}
@-webkit-keyframes sunbeams {
0% {
-webkit-transform: translateY(40%) rotate(0deg);
transform: translateY(40%) rotate(0deg);
}
50% {
-webkit-transform: translateY(-40%) rotate(180deg);
transform: translateY(-40%) rotate(180deg);
}
100% {
-webkit-transform: translateY(40%) rotate(360deg);
transform: translateY(40%) rotate(360deg);
}
0%,14%,17%,43%,53%,71%,80%,94%,100% {
opacity: 0;
}
6%,15%,24%,28%,48%,55%,78%,82%,99% {
opacity: 1;
}
}
@keyframes sunbeams {
0% {
-webkit-transform: translateY(40%) rotate(0deg);
transform: translateY(40%) rotate(0deg);
}
50% {
-webkit-transform: translateY(-40%) rotate(180deg);
transform: translateY(-40%) rotate(180deg);
}
100% {
-webkit-transform: translateY(40%) rotate(360deg);
transform: translateY(40%) rotate(360deg);
}
0%,14%,17%,43%,53%,71%,80%,94%,100% {
opacity: 0;
}
6%,15%,24%,28%,48%,55%,78%,82%,99% {
opacity: 1;
}
}
</style>
```
#### 3. HTML 代码
```html
<div style="width: 100%;text-align: center; height: 120px; position: relative; bottom: 0px;" >
<span class="particletext sunbeams" style="font-size:48px; position: relative;">This is sunbeams</span>
</div>
```