css3烟花效果

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Document</title>
<style type="text/css">


* {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-size: 32px;
background: #2C1C44;
font-family: sans-serif;
color: #FFF;
font-family: "Playfair Display", serif;
/*margin: 50px;*/
margin: 0;
overflow: hidden;
}
#container {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
perspective: 1500px;

}
#card {
text-align: center;
position: relative;
display: block;
max-width: 600px;
width: 600px;
height: 400px;
background: #3F2860;
overflow: hidden;
box-shadow: 0 0 0.5em rgba(0,0,0,0.4);
box-shadow: 0.25em 0.25em 0px 0px rgba(0, 0, 0, 0.3);

transition: 0.6s;
transform-style: preserve-3d;
overflow: visible;
}
.text {
position: absolute;
top: 0;
z-index: 5;
width: 100%;
height: 100%;
color: #E49BD4;
word-wrap: break-word;
}
p {
font-weight: 400;
font-size: 1em;
}
h1 {
width: 100%;
height: 100%;
line-height: 350px;
font-size: 6em;
font-weight: 900;
position: relative;
margin: 0;
}

/* FOR HOVER
---------------------------------------*/
.front, .back {
background: #3F2860;
width: 100%;
height: 100%;
display: block;
top: 0;
left: 0;
position: absolute;
backface-visibility: hidden;
overflow: hidden;
}
.back {
z-index:10;
transform: rotateY(180deg);
}
/*
#container:hover #card{
transform: rotateY(-180deg);
}
*/
.back p {
line-height: normal;
position: relative;
margin:0 5%;
top: 50%;
transform: translateY(-50%);
}

@media only screen and (max-width: 600px) {
h1 { line-height: 175px;}
#card {
width: 300px;
height: 400px;
}

}
.firework-grp {
display: block;
width: 100%;
height: 100%;
position: absolute;
color: white;
color: #535396;
}
.firework-grp2{
transform: rotate(180deg);
color: #2C1C44;
z-index: 6;
}
.firework-grp3{
transform: rotate(-75deg);
color: #E339BD;
z-index: 7;
}
.firework {
font-size: 10px;
display: block;
width: 8.5em;
height: 8.5em;
position: absolute;
}

/* SIZES
------------------------------------*/
.size05 {
transform: scale(0.5);
}
.size08 {
transform: scale(0.8);
}
.size13 {
transform: scale(1.3);
}
.size15 {
transform: scale(1.5);
}
.size18 {
transform: scale(1.8);
}
.size20 {
transform: scale(2);
}

/* POSITION
------------------------------------*/
.pos1 {
left: 56%;
top: 65%;
}
.pos2 {
left: 25%;
top: 15%;
}
.pos3 {
left: 50%;
top: 25%;
}
.pos4 {
left: -5%;
top: 50%;
}
.pos5 {
left: 90%;
top: 65%;
}
.pos6 {
left: 35%;
top: 75%;
}
.pos7 {
left: 5%;
top: -5%;
}
.pos8 {
left: 75%;
top: 20%;
}



/* FIREWORK
------------------------------------*/
.drops-grp {
display: block;
width: 8.5em;
height: 8.5em;
position: absolute;
}
.drops-grp2 {
display: block;
width: 8.5em;
height: 8.5em;
position: absolute;
transform: rotate(45deg);
}
.drop {
display: block;
width: 1em;
height: 2em;
overflow: hidden;
position: absolute;
opacity: 0;
}
.drop:before {
content: "";
display: block;
width: 1em;
height: 1em;
background: currentColor;
border-radius: 50%;
}
.drop:after {
content: "";
display: block;
position: relative;
top: -0.4em;
width: 0;
height: 0;
border-top: 1.4em solid currentColor;
border-left: 0.5em solid transparent;
border-right: 0.5em solid transparent;
}
.drop-1 {
left:3.75em;
top: 0;
animation: drop1anim 1s ease-in-out infinite;
}
.drop-2 {
top: 3.25em;
right: 0;
animation: drop2anim 1s ease-in-out infinite;
}
.drop-3 {
left:3.75em;
bottom: 0;
animation: drop3anim 1s ease-in-out infinite;
}
.drop-4 {
top: 3.25em;
left: 0;
animation: drop4anim 1s ease-in-out infinite;
}
.firework-2 .drop-1 {
animation-delay: 0.5s
}
.firework-2 .drop-2 {
animation-delay: 0.5s
}
.firework-2 .drop-3 {
animation-delay: 0.5s
}
.firework-2 .drop-4 {
animation-delay: 0.5s
}

/* FIREWORK DELAY
------------------------------------*/
.delay1 .drop-1 {
animation-delay: 0.25s
}
.delay1 .drop-2 {
animation-delay: 0.25s
}
.delay1 .drop-3 {
animation-delay: 0.25s
}
.delay1 .drop-4 {
animation-delay: 0.25s
}

.delay2 .drop-1 {
animation-delay: 0.75s
}
.delay2 .drop-2 {
animation-delay: 0.75s
}
.delay2 .drop-3 {
animation-delay: 0.75s
}
.delay2 .drop-4 {
animation-delay: 0.75s
}

/* keyframes
------------------------------------*/
@keyframes drop1anim {
0% {
top:3.25em;
opacity: 0;
transform: scale(0.3);
}
25% {
opacity: 0;
}
50% {
opacity: 1;
transform: scale(1);
}
100% {
top: -0.75em;
opacity: 0;
transform: scale(0.3);
}
}
@keyframes drop2anim {
0% {
right:3.75em;
opacity: 0;
transform: scale(0.3) rotate(90deg);
}
25% {
opacity: 0;
}
50% {
opacity: 1;
transform: scale(1) rotate(90deg);
}
100% {
right: -0.25em;
opacity: 0;
transform: scale(0.3) rotate(90deg);
}
}
@keyframes drop3anim {
0% {
bottom:3.25em;
opacity: 0;
transform: scale(0.3) rotate(180deg);
}
25% {
opacity: 0;
}
50% {
opacity: 1;
transform: scale(1) rotate(180deg);
}
100% {
bottom: -0.75em;
opacity: 0;
transform: scale(0.3) rotate(180deg);
}
}
@keyframes drop4anim {
0% {
left:3.75em;
opacity: 0;
transform: scale(0.3) rotate(-90deg);
}
25% {
opacity: 0;
}
50% {
opacity: 1;
transform: scale(1) rotate(-90deg);
}
100% {
left: -0.25em;
opacity: 0;
transform: scale(0.3) rotate(-90deg);
}
}
</style>
</head>
<body>

<div class="text">
<h1>颜色、位置、大小都是可以控制的</h1>
</div>

<div class="firework-grp firework-grp2">
<div class="firework size05 pos1 ">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size08 pos2 delay1">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework pos3 delay2">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size15 pos4 ">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size18 pos5 delay1">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size20 pos6 delay2">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size13 pos7">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size05 pos8">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
</div>
<div class="firework-grp firework-grp3">
<div class="firework size05 pos1 ">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size08 pos2 delay1">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework pos3 delay2">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size15 pos4 ">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size18 pos5 delay1">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size20 pos6 delay2">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size13 pos7">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
<div class="firework size05 pos8">
<div class="drops-grp">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
<div class="drops-grp drops-grp2">
<span class="drop drop-1"></span>
<span class="drop drop-2"></span>
<span class="drop drop-3"></span>
<span class="drop drop-4"></span>
</div>
</div>
</div>

</div>

<!--<div class="back">

<div class="text">
<p>Belle et heureuse année !<br>-<br>Beautiful and happy new year!</p>
</div>

</div>-->

</div>

</div>
</body>
</html>

 


posted @ 2017-02-08 17:13  Seven077  阅读(407)  评论(0编辑  收藏  举报