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index.html
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="theme-color" content="#FFF" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<meta name="viewport" content="width=device-width,height=device-height,initial-scale=1,minimum-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover" />
<title>520 节日快乐~</title>
<meta name="title" content="520 节日快乐" />
<!-- <link type="text/css" rel="stylesheet" href="./style.css"> -->
<style>
:root {
--dark-green: #066406;
--light-green: #338f37;
--light-pink: #dc4c70;
--medium-pink: #d52d58;
--dark-pink: #ca2850;
--light-brown: #ede3d2;
--dark-brown: #73592e;
--text-code: #edecee;
--bg-code: #333;
--rose-height: 350px;
--rose-width: 200px;
}
@font-face {
font-family: 'JetBrains Mono';
src: url('https://gw.alipayobjects.com/os/k/app/JetBrainsMono-Regular.ttf') format('truetype');
}
* {
font-family: JetBrains Mono, SF Mono, PingFang SC, Hiragino Sans GB, Microsoft YaHei, Helvetica Neue, Helvetica, Arial, sans-serif;
}
body {
height: 100vh;
color: var(--light-pink);
background: var(--bg-code);
margin: 0;
font-size: 14px;
line-height: 1.4;
}
pre em {
font-style: normal;
}
.selector,
.selector .key {
color: var(--medium-pink);
}
.key {
color: var(--text-code);
}
.comment {
color: var(--light-pink);
}
.value {
color: var(--dark-browrn)
}
.dead-petals > div {
position: absolute;
height: 10px;
width: 20px;
top: 25%;
border-radius: 0 20px;
transition-timing-function: ease-out;
}
@keyframes rotate-petal {
0% {
transform: rotate(-45deg) translateY(0%);
top: 20%;
}
50% {
transform: rotate(45deg) translateY(-50%);
top: 50%;
}
100% {
transform: rotate(-45deg) translateY(0%);
top: 90%;
}
}
</style>
<style>
</style>
</head>
<body>
<script>
let styles = `\
/*
* Hello, 小妖怪！
* 今天是 520 呢，有收到玫瑰吗？
* 如果你没有收到，那我给你画一朵!
*/
/* 先搞一个写代码地方 */
pre {
color: #fff;
width: 100%;
height: 100%;
position: absolute;
top: 0;
box-sizing: border-box;
padding: 24px 16px;
margin-top: 0;
overflow-y: auto;
transition: all 500ms;
}
/* 为了更好地画玫瑰，我们把代码移到下面来 */
pre {
top: 60vh;
height: 40vh;
}
.container {
position: absolute;
top: 0;
display: flex;
justify-content: center;
align-items: center;
width: 100%;
height: 60vh;
margin: auto;
background: var(--light-brown);
overflow: hidden;
}
.rose {
margin: auto;
height: var(--rose-height);
width: 200px;
position: relative;
}
/* 让我们先来画一根笔直的，绿色的花茎！*/
.stem {
position: absolute;
height: 0;
width: 6px;
background: var(--dark-green);
bottom: 10%;
left: 50%;
margin-left: -3px;
border-radius: 0 0 3px 3px;
transition: height 1s;
}
.stem {
height: 200px;
}
/* 所谓带刺的玫瑰，怎么能不画点刺呢 ？*/
.thorns > div {
width: 0;
border-top: 5px solid transparent;
border-bottom: 5px solid transparent;
position: absolute;
transition: all 0.2s;
}
/* 一个刺 */
.thorns > div:first-child {
left: 44%;
top: 50%;
border-right: 10px solid var(--dark-green);
}
/* 两个刺 */
.thorns > div:nth-child(2) {
left: 51%;
top: 62%;
border-left: 10px solid var(--dark-green);
}
/* 三个刺，真疼！*/
.thorns > div:nth-child(3) {
left: 44%;
top: 75%;
border-right: 10px solid var(--dark-green);
}
/* 接下来，让我们画叶子吧~ lalala~ */
.leaves > div {
position: absolute;
height: 60px;
width: 35px;
}
/* 我要画第一片叶子啦 */
.leaves > div:first-child {
top: 58%;
left: 28%;
border-radius: 0 30px 0 30px;
transform: rotate(-20deg);
transition: background 1s, box-shadow 1s 1s;
background: var(--dark-green);
box-shadow: inset 5px 5px var(--light-green);
}
/* 再画第二片叶子 */
.leaves > div:nth-child(2) {
border-radius: 30px 0 30px 0;
transform: rotate(20deg);
top: 45%;
right: 28%;
transition: background 1s, box-shadow 1s 1s;
background: var(--dark-green);
box-shadow: inset -5px 5px var(--light-green);
}
/*
* 好啦！终于可以画花啦！嘿嘿嘿！
* 先把中间的花芯画好~
*/
.petals > div:first-child {
top: 15%;
left: 50%;
margin-left: -25px;
position: absolute;
height: 100px;
width: 50px;
border-radius: 10px 10px 20px 20px;
transition: background 1s;
background: var(--light-pink);
}
.petals > div:not(:first-child) {
position: absolute;
height: 100px;
width: 40px;
}
/* 接下来画第二瓣花瓣 */
.petals > div:nth-child(2) {
top: 15%;
left: 30%;
transform-origin: bottom right;
border-radius: 0 35px 0 35px;
transition: background 1s, transform 1s 1s;
background: var(--medium-pink);
transform: rotate(-6deg);
}
/* 然后是第三瓣 */
.petals > div:nth-child(3) {
top: 15%;
right: 30%;
transform-origin: bottom left;
border-radius: 35px 0 35px 0;
transition: background 1s, transform 1s 1s;
background: var(--medium-pink);
transform: rotate(6deg);
}
/* 第四瓣花瓣 */
.petals > div:nth-child(4) {
top: 15%;
left: 30%;
transform: rotate(-18deg);
transform-origin: bottom right;
border-radius: 0 35px 0 35px;
transition: background 1s, transform 1s 1s;
background: var(--dark-pink);
}
/* 还有最后一瓣, 马上就要画好啦 */
.petals > div:nth-child(5) {
top: 15%;
right: 30%;
transform: rotate(18deg);
transform-origin: bottom left;
border-radius: 35px 0 35px 0;
transition: background 1s, transform 1s 1s;
background: var(--dark-pink);
}
/*
* 古人云：花开堪折直须折，你不折它就要掉光啦
*/
.dead-petals > div:first-child {
animation: rotate-petal 6s linear infinite;
left: 35%;
background: var(--medium-pink);
}
.dead-petals > div:nth-child(2) {
animation: rotate-petal 8s linear infinite;
left: 50%;
background: var(--dark-pink);
}
/* 加个罩子保护起来 */
.glass {
position: absolute;
transition: opacity 1s;
opacity: 0;
height: var(--rose-height);
width: var(--rose-width);
padding: 0 40px;
background: rgba(255, 250, 250, 0);
box-shadow: 0 -3px 5px rgba(0, 0, 0, 0.2);
backdrop-filter: blur(2.8px);
-webkit-backdrop-filter: blur(2.8px);
border-bottom: 0;
border-radius: 5px;
border-top-right-radius: 40%;
border-top-left-radius: 40%;
opacity: 1;
}
/*
* 噔噔！就是这样，画好啦！
* 不知道你喜不喜欢，hhh
* 祝你 520 快乐!
* 要开心呀！
*/
`;
let template = `
\<style id="style-tag"></style>
<div class="container">
<div class="glass"></div>
<div class="rose">
<div class="stem"></div>
<div class="thorns">
<div></div>
<div></div>
<div></div>
</div>
<div class="leaves">
<div></div>
<div></div>
</div>
<div class="dead-petals">
<div></div>
<div></div>
</div>
<div class="petals">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</div>
</div>
<pre id="style-text"></pre>\
`
const getStyleHtml = function () {
return document.getElementById('style-text').innerHTML;
};
let openComment = false;
const writeStyleChar = function (which) {
if (which === '/' && !openComment) {
openComment = true;
styles = getStyleHtml() + which;
} else if (which === '/' && openComment) {
openComment = false;
styles = getStyleHtml().replace(
/(\/[^\/]*\*)$/,
'<em class="comment">$1/</em>',
);
} else if (which === ':') {
styles = getStyleHtml().replace(
/([a-zA-Z- ^\n]*)$/,
'<em class="key">$1</em>:',
);
} else if (which === ';') {
styles = getStyleHtml().replace(
/([^:]*)$/,
'<em class="value">$1</em>;',
);
} else if (which === '{') {
styles = getStyleHtml().replace(
/(.*)$/,
'<em class="selector">$1</em>{',
);
} else {
styles = getStyleHtml() + which;
}
document.getElementById('style-text').innerHTML = styles;
document.getElementById('style-tag').insertAdjacentHTML('beforeend', which);
};
const writeStyles = function (message, index, interval) {
if (index < message.length) {
const pre = document.getElementById('style-text');
pre.scrollTop = pre.scrollHeight;
writeStyleChar(message[index++]);
return setTimeout(
() => writeStyles(message, index, interval),
interval,
);
}
};
const writeAllStyles = function() {
document.getElementById('style-text').innerHTML = styles;
document.getElementById('style-tag').insertAdjacentHTML('beforeend', styles);
}
document.body.insertAdjacentHTML('beforeend', template);
writeStyles(styles, 0, 24);
/* writeAllStyles(); */
</script>
</body>
</html>