css 一支笔由seth kontny。
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A Pen by seth kontny
--------------------
A [Pen](http://codepen.io/sethkontny/pen/rLime) by [seth kontny](http://codepen.io/sethkontny) on [CodePen](http://codepen.io/).
[License](http://codepen.io/sethkontny/pen/rLime/license). <div class="column-container clearfix">
<!-- col 1 -->
<div class="column">
<div class="block block-1x block-slate" data-scrollreveal="enter top over 3s after 0.5s"></div>
<div class="block block-2x block-mango" data-scrollreveal="enter right after 0.5s"></div>
<div class="block block-1x block-kiwi" data-scrollreveal="enter bottom over 1s and move 300px after 0.3s"></div>
<div class="block block-3x block-blueberry" data-scrollreveal="enter top over 0.5s and move 200px"></div>
<div class="block block-2x block-raspberry" data-scrollreveal="enter bottom over 1s and move 100px"></div>
<div class="block block-1x block-grape" data-scrollreveal="enter top"></div>
</div>
<!-- col 2 -->
<div class="column">
<div class="block block-3x block-kiwi" data-scrollreveal="enter bottom over 1s and move 300px after 0.3s"></div>
<div class="block block-1x block-orange" data-scrollreveal="enter left"></div>
<div class="block block-2x block-grape" data-scrollreveal="enter top"></div>
<div class="block block-1x block-orange" data-scrollreveal="enter left"></div>
<div class="block block-1x block-grape" data-scrollreveal="enter top"></div>
<div class="block block-2x block-slate" data-scrollreveal="enter top over 3s after 0.5s"></div>
</div>
<!-- col 3 -->
<div class="column">
<div class="block block-2x block-raspberry" data-scrollreveal="enter bottom over 1s and move 100px"></div>
<div class="block block-1x block-blueberry" data-scrollreveal="enter top over 0.5s and move 200px"></div>
<div class="block block-2x block-slate" data-scrollreveal="enter top over 3s after 0.5s"></div>
<div class="block block-1x block-mango" data-scrollreveal="enter right after 0.5s"></div>
<div class="block block-1x block-slate" data-scrollreveal="enter top over 3s after 0.5s"></div>
<div class="block block-3x block-orange" data-scrollreveal="enter left"></div>
</div>
<!-- col 4 -->
<div class="column">
<div class="block block-1x block-orange" data-scrollreveal="enter left"></div>
<div class="block block-2x block-grape" data-scrollreveal="enter top"></div>
<div class="block block-3x block-raspberry" data-scrollreveal="enter bottom over 1s and move 100px"></div>
<div class="block block-1x block-blueberry" data-scrollreveal="enter top over 0.5s and move 200px"></div>
<div class="block block-2x block-kiwi" data-scrollreveal="enter bottom over 1s and move 300px after 0.3s"></div>
<div class="block block-1x block-mango" data-scrollreveal="enter right after 0.5s"></div>
</div>
<!-- col 5 -->
<div class="column">
<div class="block block-3x block-mango" data-scrollreveal="enter right after 0.5s"></div>
<div class="block block-1x block-kiwi" data-scrollreveal="enter bottom over 1s and move 300px after 0.3s"></div>
<div class="block block-2x block-orange" data-scrollreveal="enter left"></div>
<div class="block block-1x block-grape" data-scrollreveal="enter top"></div>
<div class="block block-1x block-slate" data-scrollreveal="enter top over 3s after 0.5s"></div>
<div class="block block-2x block-raspberry" data-scrollreveal="enter bottom over 1s and move 100px"></div>
</div>
<!-- col 6 -->
<div class="column">
<div class="block block-1x block-kiwi" data-scrollreveal="enter bottom over 1s and move 300px after 0.3s"></div>
<div class="block block-3x block-slate" data-scrollreveal="enter top over 3s after 0.5s"></div>
<div class="block block-1x block-blueberry" data-scrollreveal="enter top over 0.5s and move 200px"></div>
<div class="block block-3x block-kiwi" data-scrollreveal="enter bottom over 1s and move 300px after 0.3s"></div>
<div class="block block-1x block-orange" data-scrollreveal="enter left"></div>
<div class="block block-1x block-blueberry" data-scrollreveal="enter top over 0.5s and move 200px"></div>
</div>
<!-- col 7 -->
<div class="column">
<div class="block block-2x block-blueberry" data-scrollreveal="enter top over 0.5s and move 200px"></div>
<div class="block block-1x block-raspberry" data-scrollreveal="enter bottom over 1s and move 100px"></div>
<div class="block block-1x block-mango" data-scrollreveal="enter right after 0.5s"></div>
<div class="block block-3x block-raspberry" data-scrollreveal="enter bottom over 1s and move 100px"></div>
<div class="block block-2x block-mango" data-scrollreveal="enter right after 0.5s"></div>
<div class="block block-1x block-slate" data-scrollreveal="enter top over 3s after 0.5s"></div>
</div>
<!-- col 8 -->
<div class="column">
<div class="block block-1x block-grape" data-scrollreveal="enter top"></div>
<div class="block block-2x block-orange" data-scrollreveal="enter left"></div>
<div class="block block-1x block-grape" data-scrollreveal="enter top"></div>
<div class="block block-3x block-slate" data-scrollreveal="enter top over 3s after 0.5s"></div>
<div class="block block-1x block-blueberry" data-scrollreveal="enter top over 0.5s and move 200px"></div>
<div class="block block-2x block-kiwi" data-scrollreveal="enter bottom over 1s and move 300px after 0.3s"></div>
</div>
</div>/*
_ _ _____ _ _
| | | __ \ | | (_)
___ ___ _ __ ___ | | | |__) |_____ _____ __ _| | _ ___
/ __|/ __| '__/ _ \| | | _ // _ \ \ / / _ \/ _` | | | / __|
\__ \ (__| | | (_) | | | | \ \ __/\ V / __/ (_| | |_| \__ \
|___/\___|_| \___/|_|_|_| \_\___| \_/ \___|\__,_|_(_) |___/
_/ |
|__/
"Declarative on-scroll reveal animations."
/*=============================================================================
scrollReveal.js is inspired by cbpScroller.js, © 2014, Codrops.
Licensed under the MIT license.
http://www.opensource.org/licenses/mit-license.php
scrollReveal.js, © 2014 https://twitter.com/julianlloyd
=============================================================================*/
;(function (window) {
'use strict';
var docElem = window.document.documentElement;
function getViewportH () {
var client = docElem['clientHeight'],
inner = window['innerHeight'];
return (client < inner) ? inner : client;
}
function getOffset (el) {
var offsetTop = 0,
offsetLeft = 0;
do {
if (!isNaN(el.offsetTop)) {
offsetTop += el.offsetTop;
}
if (!isNaN(el.offsetLeft)) {
offsetLeft += el.offsetLeft;
}
} while (el = el.offsetParent)
return {
top: offsetTop,
left: offsetLeft
}
}
function isElementInViewport (el, h) {
var scrolled = window.pageYOffset,
viewed = scrolled + getViewportH(),
elH = el.offsetHeight,
elTop = getOffset(el).top,
elBottom = elTop + elH,
h = h || 0;
return (elTop + elH * h) <= viewed && (elBottom) >= scrolled;
}
function extend (a, b) {
for (var key in b) {
if (b.hasOwnProperty(key)) {
a[key] = b[key];
}
}
return a;
}
function scrollReveal(options) {
this.options = extend(this.defaults, options);
this._init();
}
scrollReveal.prototype = {
defaults: {
axis: 'y',
distance: '25px',
duration: '0.66s',
delay: '0s',
// if 0, the element is considered in the viewport as soon as it enters
// if 1, the element is considered in the viewport when it's fully visible
viewportFactor: 0.33
},
/*=============================================================================*/
_init: function () {
var self = this;
this.elems = Array.prototype.slice.call(docElem.querySelectorAll('[data-scrollReveal]'));
this.scrolled = false;
// Initialize all scrollreveals, triggering all
// reveals on visible elements.
this.elems.forEach(function (el, i) {
self.animate(el);
});
var scrollHandler = function () {
if (!self.scrolled) {
self.scrolled = true;
setTimeout(function () {
self._scrollPage();
}, 60);
}
};
var resizeHandler = function () {
function delayed() {
self._scrollPage();
self.resizeTimeout = null;
}
if (self.resizeTimeout) {
clearTimeout(self.resizeTimeout);
}
self.resizeTimeout = setTimeout(delayed, 200);
};
window.addEventListener('scroll', scrollHandler, false);
window.addEventListener('resize', resizeHandler, false);
},
/*=============================================================================*/
_scrollPage: function () {
var self = this;
this.elems.forEach(function (el, i) {
if (isElementInViewport(el, self.options.viewportFactor)) {
self.animate(el);
}
});
this.scrolled = false;
},
/*=============================================================================*/
parseLanguage: function (el) {
// Splits on a sequence of one or more commas, periods or spaces.
var words = el.getAttribute('data-scrollreveal').split(/[, ]+/),
enterFrom,
parsed = {};
function filter (words) {
var ret = [],
blacklist = [
"from",
"the",
"and",
"then",
"but"
];
words.forEach(function (word, i) {
if (blacklist.indexOf(word) > -1) {
return;
}
ret.push(word);
});
return ret;
}
words = filter(words);
words.forEach(function (word, i) {
switch (word) {
case "enter":
enterFrom = words[i + 1];
if (enterFrom == "top" || enterFrom == "bottom") {
parsed.axis = "y";
}
if (enterFrom == "left" || enterFrom == "right") {
parsed.axis = "x";
}
return;
case "after":
parsed.delay = words[i + 1];
return;
case "wait":
parsed.delay = words[i + 1];
return;
case "move":
parsed.distance = words[i + 1];
return;
case "over":
parsed.duration = words[i + 1];
return;
case "trigger":
parsed.eventName = words[i + 1];
return;
default:
// Unrecognizable words; do nothing.
return;
}
});
// After all values are parsed, let’s make sure our our
// pixel distance is negative for top and left entrances.
//
// ie. "move 25px from top" starts at 'top: -25px' in CSS.
if (enterFrom == "top" || enterFrom == "left") {
if (!typeof parsed.distance == "undefined") {
parsed.distance = "-" + parsed.distance;
}
else {
parsed.distance = "-" + this.options.distance;
}
}
return parsed;
},
/*=============================================================================*/
genCSS: function (el, axis) {
var parsed = this.parseLanguage(el);
var dist = parsed.distance || this.options.distance,
dur = parsed.duration || this.options.duration,
delay = parsed.delay || this.options.delay,
axis = parsed.axis || this.options.axis;
var transition = "-webkit-transition: all " + dur + " ease " + delay + ";" +
"-moz-transition: all " + dur + " ease " + delay + ";" +
"-o-transition: all " + dur + " ease " + delay + ";" +
"transition: all " + dur + " ease " + delay + ";";
var initial = "-webkit-transform: translate" + axis + "(" + dist + ");" +
"-moz-transform: translate" + axis + "(" + dist + ");" +
"transform: translate" + axis + "(" + dist + ");" +
"opacity: 0;";
var target = "-webkit-transform: translate" + axis + "(0);" +
"-moz-transform: translate" + axis + "(0);" +
"transform: translate" + axis + "(0);" +
"opacity: 1;";
return {
transition: transition,
initial: initial,
target: target,
totalDuration: ((parseFloat(dur) + parseFloat(delay)) * 1000)
};
},
/*=============================================================================*/
animate: function (el) {
var css = this.genCSS(el);
if (!el.getAttribute('data-sr-init')) {
el.setAttribute('style', css.initial);
el.setAttribute('data-sr-init', true);
}
if (el.getAttribute('data-sr-complete')) {
return;
}
if (isElementInViewport(el, this.options.viewportFactor)) {
el.setAttribute('style', css.target + css.transition);
setTimeout(function () {
el.removeAttribute('style');
el.setAttribute('data-sr-complete', true);
}, css.totalDuration);
}
}
}; // end scrollReveal.prototype
document.addEventListener("DOMContentLoaded", function (evt) {
window.scrollReveal = new scrollReveal();
});
})(window);/* http://meyerweb.com/eric/tools/css/reset/
v2.0 | 20110126
License: none (public domain)
*/
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
display: block;
}
body {
line-height: 1;
}
ol, ul {
list-style: none;
}
blockquote, q {
quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
content: '';
content: none;
}
table {
border-collapse: collapse;
border-spacing: 0;
}
a {
cursor: pointer;
}
* {
-moz-box-sizing: border-box;
box-sizing: border-box;
}
html {
overflow: -moz-scrollbars-vertical;
overflow-y: scroll;
}
h1, .h1 {
font-family: "proxima-nova", sams-serif;
font-weight: 100;
}
html, body {
font-family: "proxima-nova", sans-serif;
font-weight: 300;
}
.clearfix:before,
.clearfix:after {
content: " ";
display: table;
}
.clearfix:after {
clear: both;
}
html, body {
color: white;
text-align: center;
}
@media screen and (min-width: 300px) {
html, body {
font-size: 14px;
}
}
@media screen and (min-width: 460px) {
html, body {
font-size: 20px;
}
}
@media screen and (min-width: 900px) {
html, body {
font-size: 24px;
}
}
h1, .h1 {
line-height: 1.166;
margin: 0.66em 0;
}
@media screen and (min-width: 300px) {
h1, .h1 {
font-size: 2.33em;
}
}
@media screen and (min-width: 460px) {
h1, .h1 {
font-size: 2.66em;
}
}
@media screen and (min-width: 720px) {
h1, .h1 {
font-size: 3.33em;
}
}
p {
color: #616c84;
margin: 0.33em 0;
}
a:link,
a:visited {
color: #35ff99;
text-decoration: none;
border-radius: 5px;
padding: 2px;
}
a:hover,
a:active {
background: #35ff99;
color: #202a39;
}
small {
font-size: .75em;
}
em {
font-style: italic;
}
.text-left {
text-align: left;
}
.text-right {
text-align: right;
}
.text-center {
text-align: center;
}
html, body {
height: 100%;
background: #202a39;
}
.column-container {
width: 80%;
max-width: 1000px;
margin: 0 auto;
height: 250%;
text-align: center;
}
@media screen and (min-width: 300px) {
.column-container {
padding-top: 20%;
margin-bottom: -125px;
}
}
@media screen and (min-width: 720px) {
.column-container {
padding-top: 10%;
}
}
.column {
width: 3%;
height: 100%;
margin: 0 2%;
display: inline-block;
}
.block {
border-radius: 5px;
margin-bottom: 150%;
}
.block-1x {
height: 10%;
}
.block-2x {
height: 15%;
}
.block-3x {
height: 20%;
}
.block-blueberry {
background: #008597;
}
.block-slate {
background: #2d3443;
}
.block-grape {
background: #4d407c;
}
.block-raspberry {
background: #ff005d;
}
.block-mango {
background: #ffcc00;
}
.block-orange {
background: #ff7c35;
}
.block-kiwi {
background: #35ff99;
}
.withLove {
overflow: hidden;
text-align: center;
padding-bottom: 2em;
cursor: default;
color: #616c84;
}
@media screen and (min-width: 900px) {
.withLove {
margin-top: 125px;
}
}
.withLove * {
display: inline-block;
}
.withLove .alpha,
.withLove .omega {
width: 40%;
}
.withLove .alpha {
text-align: right;
}
.withLove .omega {
text-align: left;
}
.withLove .heart {
margin: 0 -2px;
position: relative;
z-index: 3;
-webkit-animation: throb 1.33s ease-in-out infinite;
animation: throb 1.33s ease-in-out infinite;
}
.withLove .heart path {
fill: #ff005d;
}
@media screen and (min-width: 300px) {
.withLove .heart {
width: 30px;
height: 30px;
top: .66em;
}
}
@media screen and (min-width: 460px) {
.withLove .heart {
top: .8em;
width: 50px;
height: 50px;
}
}
@-webkit-keyframes throb {
0% {
-webkit-transform: scale(1);
}
50% {
-webkit-transform: scale(0.8);
}
100% {
-webkit-transform: scale(1);
}
}
@keyframes throb {
0% {
transform: scale(1);
}
50% {
transform: scale(0.8);
}
100% {
transform: scale(1);
}
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