CSS3 文字动画效果

<div class="sp-container">
	<div class="sp-content">
		<div class="sp-globe"></div>
		<h2 class="frame-1">代码网</h2>
		<h2 class="frame-2">jb51</h2>
		<h2 class="frame-3">www.jb51.net</h2>
		<h2 class="frame-4">test it!</h2>
	</div>
</div>

@import url('https://fonts.googleapis.com/css?family=barlow');

body {
	background: #310404 url(https://i.ytimg.com/vi/wovqahzwcrm/maxresdefault.jpg) no-repeat center center fixed; 
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
	font-family: 'barlow', sans-serif;
}
.container {
	width: 100%;
	position: relative;
	overflow: hidden;
}
a {
	text-decoration: none;
}
h1.main, p.demos {
	-webkit-animation-delay: 18s;
	-moz-animation-delay: 18s;
	-ms-animation-delay: 18s;
	animation-delay: 18s;
}
.sp-container {
	position: fixed;
	top: 0px;
	left: 0px;
	width: 100%;
	height: 100%;
	z-index: 0;
	background: -webkit-radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
	background: -moz-radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
	background: -ms-radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
	background: radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
}
.sp-content {
	position: absolute;
	width: 100%;
	height: 100%;
	left: 0px;
	top: 0px;
	z-index: 1000;
}
.sp-container h2 {
	position: absolute;
	top: 50%;
	line-height: 100px;
	height: 90px;
	margin-top: -50px;
	font-size: 90px;
	width: 100%;
	text-align: center;
	color: transparent;
	-webkit-animation: blurfadeinout 3s ease-in backwards;
	-moz-animation: blurfadeinout 3s ease-in backwards;
	-ms-animation: blurfadeinout 3s ease-in backwards;
	animation: blurfadeinout 3s ease-in backwards;
}
.sp-container h2.frame-1 {
	-webkit-animation-delay: 0s;
	-moz-animation-delay: 0s;
	-ms-animation-delay: 0s;
	animation-delay: 0s;
}
.sp-container h2.frame-2 {
	-webkit-animation-delay: 3s;
	-moz-animation-delay: 3s;
	-ms-animation-delay: 3s;
	animation-delay: 3s;
}
.sp-container h2.frame-3 {
	-webkit-animation-delay: 6s;
	-moz-animation-delay: 6s;
	-ms-animation-delay: 6s;
	animation-delay: 6s;
}
.sp-container h2.frame-4 {
	font-size: 200px;
	-webkit-animation-delay: 9s;
	-moz-animation-delay: 9s;
	-ms-animation-delay: 9s;
	animation-delay: 9s;
}
.sp-container h2.frame-5 {
	-webkit-animation: none;
	-moz-animation: none;
	-ms-animation: none;
	animation: none;
	color: transparent;
	text-shadow: 0px 0px 1px #fff;
}
.sp-container h2.frame-5 span {
	-webkit-animation: blurfadein 3s ease-in 12s backwards;
	-moz-animation: blurfadein 1s ease-in 12s backwards;
	-ms-animation: blurfadein 3s ease-in 12s backwards;
	animation: blurfadein 3s ease-in 12s backwards;
	color: transparent;
	text-shadow: 0px 0px 1px #fff;
}
.sp-container h2.frame-5 span:nth-child(2) {
	-webkit-animation-delay: 13s;
	-moz-animation-delay: 13s;
	-ms-animation-delay: 13s;
	animation-delay: 13s;
}
.sp-container h2.frame-5 span:nth-child(3) {
	-webkit-animation-delay: 14s;
	-moz-animation-delay: 14s;
	-ms-animation-delay: 14s;
	animation-delay: 14s;
}
.sp-globe {
	position: absolute;
	width: 282px;
	height: 273px;
	left: 50%;
	top: 50%;
	margin: -137px 0 0 -141px;
	background: transparent url(http://web-sonick.zz.mu/images/sl/globe.png) no-repeat top left;
	-webkit-animation: fadeinback 3.6s linear 14s backwards;
	-moz-animation: fadeinback 3.6s linear 14s backwards;
	-ms-animation: fadeinback 3.6s linear 14s backwards;
	animation: fadeinback 3.6s linear 14s backwards;
	-ms-filter: "progid:dximagetransform.microsoft.alpha(opacity=30)";
	filter: alpha(opacity=30);
	opacity: 0.3;
	-webkit-transform: scale(5);
	-moz-transform: scale(5);
	-o-transform: scale(5);
	-ms-transform: scale(5);
	transform: scale(5);
}
.sp-circle-link {
	position: absolute;
	left: 50%;
	bottom: 100px;
	margin-left: -50px;
	text-align: center;
	line-height: 100px;
	width: 100px;
	height: 100px;
	background: #fff;
	color: #3f1616;
	font-size: 25px;
	-webkit-border-radius: 50%;
	-moz-border-radius: 50%;
	border-radius: 50%;
	-webkit-animation: fadeinrotate 1s linear 16s backwards;
	-moz-animation: fadeinrotate 1s linear 16s backwards;
	-ms-animation: fadeinrotate 1s linear 16s backwards;
	animation: fadeinrotate 1s linear 16s backwards;
	-webkit-transform: scale(1) rotate(0deg);
	-moz-transform: scale(1) rotate(0deg);
	-o-transform: scale(1) rotate(0deg);
	-ms-transform: scale(1) rotate(0deg);
	transform: scale(1) rotate(0deg);
}
.sp-circle-link:hover {
	background: #85373b;
	color: #fff;
}
/**/

@-webkit-keyframes blurfadeinout {
	0% {
		opacity: 0;
		text-shadow: 0px 0px 40px #fff;
		-webkit-transform: scale(1.3);
	}
	20%, 75% {
		opacity: 1;
		text-shadow: 0px 0px 1px #fff;
		-webkit-transform: scale(1);
	}
	100% {
		opacity: 0;
		text-shadow: 0px 0px 50px #fff;
		-webkit-transform: scale(0);
	}
}
@-webkit-keyframes blurfadein {
	0% {
		opacity: 0;
		text-shadow: 0px 0px 40px #fff;
		-webkit-transform: scale(1.3);
	}
	50% {
		opacity: 0.5;
		text-shadow: 0px 0px 10px #fff;
		-webkit-transform: scale(1.1);
	}
	100% {
		opacity: 1;
		text-shadow: 0px 0px 1px #fff;
		-webkit-transform: scale(1);
	}
}
@-webkit-keyframes fadeinback {
	0% {
		opacity: 0;
		-webkit-transform: scale(0);
	}
	50% {
		opacity: 0.4;
		-webkit-transform: scale(2);
	}
	100% {
		opacity: 0.2;
		-webkit-transform: scale(5);
	}
}
@-webkit-keyframes fadeinrotate {
	0% {
		opacity: 0;
		-webkit-transform: scale(0) rotate(360deg);
	}
	100% {
		opacity: 1;
		-webkit-transform: scale(1) rotate(0deg);
	}
}
/**/

@-moz-keyframes blurfadeinout {
	0% {
		opacity: 0;
		text-shadow: 0px 0px 40px #fff;
		-moz-transform: scale(1.3);
	}
	20%, 75% {
		opacity: 1;
		text-shadow: 0px 0px 1px #fff;
		-moz-transform: scale(1);
	}
	100% {
		opacity: 0;
		text-shadow: 0px 0px 50px #fff;
		-moz-transform: scale(0);
	}
}
@-moz-keyframes blurfadein {
	0% {
		opacity: 0;
		text-shadow: 0px 0px 40px #fff;
		-moz-transform: scale(1.3);
	}
	100% {
		opacity: 1;
		text-shadow: 0px 0px 1px #fff;
		-moz-transform: scale(1);
	}
}
@-moz-keyframes fadeinback {
	0% {
		opacity: 0;
		-moz-transform: scale(0);
	}
	50% {
		opacity: 0.4;
		-moz-transform: scale(2);
	}
	100% {
		opacity: 0.2;
		-moz-transform: scale(5);
	}
}
@-moz-keyframes fadeinrotate {
	0% {
		opacity: 0;
		-moz-transform: scale(0) rotate(360deg);
	}
	100% {
		opacity: 1;
		-moz-transform: scale(1) rotate(0deg);
	}
}
/**/

@keyframes blurfadeinout {
	0% {
		opacity: 0;
		text-shadow: 0px 0px 40px #fff;
		transform: scale(1.3);
	}
	20%, 75% {
		opacity: 1;
		text-shadow: 0px 0px 1px #fff;
		transform: scale(1);
	}
	100% {
		opacity: 0;
		text-shadow: 0px 0px 50px #fff;
		transform: scale(0);
	}
}
@keyframes blurfadein {
	0% {
		opacity: 0;
		text-shadow: 0px 0px 40px #fff;
		transform: scale(1.3);
	}
	50% {
		opacity: 0.5;
		text-shadow: 0px 0px 10px #fff;
		transform: scale(1.1);
	}
	100% {
		opacity: 1;
		text-shadow: 0px 0px 1px #fff;
		transform: scale(1);
	}
}
@keyframes fadeinback {
	0% {
		opacity: 0;
		transform: scale(0);
	}
	50% {
		opacity: 0.4;
		transform: scale(2);
	}
	100% {
		opacity: 0.2;
		transform: scale(5);
	}
}
@keyframes fadeinrotate {
	0% {
		opacity: 0;
		transform: scale(0) rotate(360deg);
	}
	100% {
		opacity: 1;
		transform: scale(1) rotate(0deg);
	}
}