text 161104リモーダルのように出て记事を顺々に出していく

Posted 2021-05-03

//HTML
<h1>Principle 12: Appeal</h1>
<h2><a href="https://cssanimation.rocks/principles/" target="_parent">Animation Principles for the Web</h2>
<article class="principle twelve">
	<div class="shape">
		<div class="container">
			<span class="item one"></span>
			<span class="item two"></span>
			<span class="item three"></span>
			<span class="item four"></span>
		</div>
	</div>
</article>

//CSS
/******* TWELVE (Appeal) *******/
.twelve .shape {
	background: none;
	border: none;
	perspective: 400px;
	perspective-origin: center;
}
.twelve .shape .container {
	animation: show-container 8s infinite cubic-bezier(.6,-0.44,.37,1.44);
	transform-style: preserve-3d;
	width: 4em;
	height: 4em;
	border: 1em solid #fff;
	background: #2d97db;
	position: relative;
}
.twelve .item {
	background-color: #1f7bb6;
	position: absolute;
}
.twelve .item.one {
	animation: show-text 8s 0.1s infinite ease-out;
	height: 6%;
	width: 30%;
	top: 15%;
	left: 25%;
}
.twelve .item.two {
	animation: show-text 8s 0.2s infinite ease-out;
	height: 6%;
	width: 20%;
	top: 30%;
	left: 25%;
}
.twelve .item.three {
	animation: show-text 8s 0.3s infinite ease-out;
	height: 6%;
	width: 50%;
	top: 45%;
	left: 25%;
}
.twelve .item.four {
	animation: show-button 8s infinite cubic-bezier(.64,-0.36,.1,1.43);
	height: 20%;
	width: 40%;
	top: 65%;
	left: 30%;
}
@keyframes show-container {
	0% {
		opacity: 0;
		transform: rotateX(-90deg);
	}
	10% {
		opacity: 1;
		transform: none;
		width: 4em;
		height: 4em;
	}
	15%, 90% {
		width: 12em;
		height: 12em;
		transform: translate(-4em, -4em);
		opacity: 1;
	}
	100% {
		opacity: 0;
		transform: rotateX(-90deg);
		width: 4em;
		height: 4em;
	}
}
@keyframes show-text {
	0%, 15% {
		transform: translateY(1em);
		opacity: 0;
	}
	20%, 85% {
		opacity: 1;
		transform: none;
	}
	88%, 100% {
		opacity: 0;
		transform: translateY(-1em);
		animation-timing-function: cubic-bezier(.64,-0.36,.1,1.43);
	}
}
@keyframes show-button {
	0%, 25% {
		transform: scale(0);
		opacity: 0;
	}
	35%, 80% {
		transform: none;
		opacity: 1;
	}
	90%, 100% {
		opacity: 0;
		transform: scale(0);
	}
}
/* General styling */
body {
	margin: 0;
	background: #e9b59f;
	font-family: HelveticaNeue, Arial, Sans-serif;
	color: #fff;
}
h1 {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	text-align: center;
	font-weight: 300;
}
h2 {
	font-size: 0.75em;
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	text-align: center;
}
a {
	text-decoration: none;
	color: #333;
}
.principle {
	width: 100%;
	height: 100vh;
	position: relative;
}
.shape {
	background: #2d97db;
	border: 1em solid #fff;
	width: 4em;
	height: 4em;
	position: absolute;
	top: calc(50% - 2em);
	left: calc(50% - 2em);
}