2022-07-18 16:29:02 +00:00
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---
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id: 60b69a66b6ddb80858c515b0
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title: 步驟 59
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challengeType: 0
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dashedName: step-59
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---
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# --description--
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在 `triangles` div 中,你需要添加將成爲三角形的元素。 創建三十個 `div` 元素,併爲每個元素賦予 `triangle` 類。
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# --hints--
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你的 `triangles` 元素中應該有 30 個 `div` 元素。
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```js
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assert(document.querySelectorAll('#triangles > div')?.length === 30);
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```
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所有 30 個新的 `div` 元素都應有 `class` 爲 `triangle`。
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```js
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const divDivDiv = document.querySelectorAll('#triangles > div');
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for (const div of divDivDiv) {
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assert(div?.classList?.contains('triangle'));
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}
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```
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# --seed--
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## --seed-contents--
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```html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Picasso Painting</title>
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<link rel="stylesheet" href="./styles.css" />
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<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.2/css/all.css">
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</head>
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<body>
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<div id="back-wall"></div>
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2022-07-26 08:40:30 +00:00
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<div class="characters">
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<div id="offwhite-character">
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<div id="white-hat"></div>
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<div id="black-mask">
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<div class="eyes left"></div>
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<div class="eyes right"></div>
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</div>
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<div id="gray-instrument">
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<div class="black-dot"></div>
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<div class="black-dot"></div>
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<div class="black-dot"></div>
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<div class="black-dot"></div>
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<div class="black-dot"></div>
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</div>
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<div id="tan-table"></div>
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</div>
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<div id="black-character">
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<div id="black-hat"></div>
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<div id="gray-mask">
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<div class="eyes left"></div>
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<div class="eyes right"></div>
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</div>
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<div id="white-paper">
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<i class="fas fa-music"></i>
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<i class="fas fa-music"></i>
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<i class="fas fa-music"></i>
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<i class="fas fa-music"></i>
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</div>
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</div>
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<div class="blue" id="blue-left"></div>
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<div class="blue" id="blue-right"></div>
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<div id="orange-character">
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<div id="black-round-hat"></div>
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<div id="eyes-div">
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<div class="eyes left"></div>
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<div class="eyes right"></div>
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</div>
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<div id="triangles">
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--fcc-editable-region--
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2022-07-18 16:29:02 +00:00
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2022-07-26 08:40:30 +00:00
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--fcc-editable-region--
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2022-07-18 16:29:02 +00:00
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</div>
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2022-07-26 08:40:30 +00:00
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<div id="guitar"></div>
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</div>
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</div>
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2022-07-18 16:29:02 +00:00
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</body>
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</html>
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```
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```css
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body {
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background-color: rgb(184, 132, 46);
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}
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#back-wall {
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background-color: #8B4513;
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width: 100%;
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height: 60%;
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position: absolute;
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top: 0;
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left: 0;
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z-index: -1;
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}
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#offwhite-character {
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width: 300px;
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height: 550px;
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background-color: GhostWhite;
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position: absolute;
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top: 20%;
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left: 17.5%;
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}
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#white-hat {
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width: 0;
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height: 0;
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border-style: solid;
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border-width: 0 120px 140px 180px;
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border-top-color: transparent;
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border-right-color: transparent;
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border-bottom-color: GhostWhite;
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border-left-color: transparent;
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position: absolute;
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top: -140px;
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left: 0;
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}
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#black-mask {
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width: 100%;
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height: 50px;
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background-color: rgb(45, 31, 19);
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position: absolute;
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top: 0;
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left: 0;
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z-index: 1;
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}
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#gray-instrument {
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width: 15%;
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height: 40%;
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background-color: rgb(167, 162, 117);
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position: absolute;
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top: 50px;
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left: 125px;
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z-index: 1;
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}
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.black-dot {
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width: 10px;
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height: 10px;
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background-color: rgb(45, 31, 19);
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border-radius: 50%;
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display: block;
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margin: auto;
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margin-top: 65%;
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}
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#tan-table {
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width: 450px;
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height: 140px;
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background-color: #D2691E;
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position: absolute;
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top: 275px;
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left: 15px;
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z-index: 1;
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}
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#black-character {
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width: 300px;
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height: 500px;
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background-color: rgb(45, 31, 19);
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position: absolute;
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top: 30%;
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left: 59%;
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}
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#black-hat {
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width: 0;
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height: 0;
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border-style: solid;
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border-width: 150px 0 0 300px;
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border-top-color: transparent;
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border-right-color: transparent;
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border-bottom-color: transparent;
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border-left-color: rgb(45, 31, 19);
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position: absolute;
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top: -150px;
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left: 0;
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}
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#gray-mask {
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width: 150px;
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height: 150px;
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background-color: rgb(167, 162, 117);
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position: absolute;
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top: -10px;
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left: 70px;
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}
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#white-paper {
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width: 400px;
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height: 100px;
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background-color: GhostWhite;
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position: absolute;
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top: 250px;
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left: -150px;
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z-index: 1;
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}
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.fa-music {
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display: inline-block;
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margin-top: 8%;
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margin-left: 13%;
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}
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.blue {
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background-color: #1E90FF;
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}
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#blue-left {
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width: 500px;
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height: 300px;
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position: absolute;
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top: 20%;
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left: 20%;
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}
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#blue-right {
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width: 400px;
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height: 300px;
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position: absolute;
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top: 50%;
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left: 40%;
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}
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```
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