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pg4devtpg4devt
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blurry loading and vertical slider projects
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‎blurry-loading/index.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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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="style.css" />
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<title>Blurry Loading</title>
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</head>
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<body>
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<section class="bg"></section>
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<div class="loading-text">0%</div>
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<script src="script.js"></script>
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</body>
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</html>

‎blurry-loading/script.js‎

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const loadText = document.querySelector('.loading-text')
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const bg = document.querySelector('.bg')
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let load = 0
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let int = setInterval(blurring, 30)
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function blurring() {
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load++
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if(load > 99) {
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clearInterval(int)
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}
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loadText.innerText = `${load}%`
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loadText.style.opacity = scale(load, 0, 100, 1, 0)
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bg.style.filter = `blur(${scale(load, 0, 100, 30, 0)}px)`
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}
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// https://stackoverflow.com/questions/10756313/javascript-jquery-map-a-range-of-numbers-to-another-range-of-numbers
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const scale = (num, in_min, in_max, out_min, out_max) => {
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return ((num - in_min) * (out_max - out_min)) / (in_max - in_min) + out_min }

‎blurry-loading/style.css‎

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@import url('https://fonts.googleapis.com/css?family=Ubuntu');
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* {
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box-sizing: border-box;
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}
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body {
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font-family: 'Ubuntu', sans-serif;
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display: flex;
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align-items: center;
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justify-content: center;
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height: 100vh;
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overflow: hidden;
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margin: 0;
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}
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.bg {
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background: url('https://images.unsplash.com/photo-1576161787924-01bb08dad4a4?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=2104&q=80')
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no-repeat center center/cover;
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position: absolute;
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top: -30px;
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left: -30px;
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width: calc(100vw + 60px);
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height: calc(100vh + 60px);
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z-index: -1;
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filter: blur(0px);
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}
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.loading-text {
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font-size: 50px;
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color: #fff;
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}

‎vertical-slider/index.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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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css" />
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<link rel="stylesheet" href="style.css" />
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<title>Vertical Slider</title>
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</head>
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<body>
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<div class="slider-container">
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<div class="left-slide">
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<div style="background-color: #FD3555;">
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<h1>Nature flower</h1>
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<p>all in pink</p>
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</div>
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<div style="background-color: #2A86BA;">
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<h1>Blue Sky</h1>
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<p>with it's mountains</p>
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</div>
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<div style="background-color: #252E33;">
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<h1>Lonely Castle</h1>
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<p>in the wilderness</p>
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</div>
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<div style="background-color: #FFB866;">
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<h1>Flying Eagle</h1>
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<p>in the sunset</p>
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</div>
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</div>
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<div class="right-slide">
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<div style="background-image: url('https://images.unsplash.com/photo-1508768787810-6adc1f613514?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=e27f6661df21ed17ab5355b28af8df4e&auto=format&fit=crop&w=1350&q=80')"></div>
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<div style="background-image: url('https://images.unsplash.com/photo-1519981593452-666cf05569a9?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=90ed8055f06493290dad8da9584a13f7&auto=format&fit=crop&w=715&q=80')"></div>
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<div style="background-image: url('https://images.unsplash.com/photo-1486899430790-61dbf6f6d98b?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=8ecdee5d1b3ed78ff16053b0227874a2&auto=format&fit=crop&w=1002&q=80')"></div>
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<div style="background-image: url('https://images.unsplash.com/photo-1510942201312-84e7962f6dbb?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=da4ca7a78004349f1b63f257e50e4360&auto=format&fit=crop&w=1050&q=80')"></div>
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</div>
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<div class="action-buttons">
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<button class="down-button">
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<i class="fas fa-arrow-down"></i>
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</button>
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<button class="up-button">
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<i class="fas fa-arrow-up"></i>
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</button>
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</div>
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</div>
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<script src="script.js"></script>
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</body>
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</html>

‎vertical-slider/script.js‎

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const sliderContainer = document.querySelector('.slider-container')
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const slideRight = document.querySelector('.right-slide')
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const slideLeft = document.querySelector('.left-slide')
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const upButton = document.querySelector('.up-button')
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const downButton = document.querySelector('.down-button')
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const slidesLength = slideRight.querySelectorAll('div').length
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let activeSlideIndex = 0
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slideLeft.style.top = `-${(slidesLength - 1) * 100}vh`
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upButton.addEventListener('click', () => changeSlide('up'))
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downButton.addEventListener('click', () => changeSlide('down'))
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const changeSlide = (direction) => {
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const sliderHeight = sliderContainer.clientHeight
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if(direction === 'up') {
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activeSlideIndex++
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if(activeSlideIndex > slidesLength -1 ) {
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activeSlideIndex = 0
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}
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} else if(direction === 'down') {
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activeSlideIndex--
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if(activeSlideIndex < 0) {
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activeSlideIndex = slidesLength - 1
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}
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}
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slideRight.style.tranform = `translateY(-${activeSlideIndex * sliderHeight}px)`
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slideLeft.style.tranform = `translateY(${activeSlideIndex * sliderHeight}px)`
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}
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‎vertical-slider/style.css‎

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@import url('https://fonts.googleapis.com/css?family=Open+Sans');
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* {
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box-sizing: border-box;
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margin: 0;
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padding: 0;
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}
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body {
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font-family: 'Open Sans', sans-serif;
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height: 100vh;
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}
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.slider-container{
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position: relative;
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overflow: hidden;
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width: 100vw;
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height: 100vh;
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}
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.left-slide {
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height: 100%;
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width: 35%;
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position: absolute;
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top: 0;
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left: 0;
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transition: transform .5s ease-in-out
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}
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.left-slide > div {
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height: 100%;
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width: 100%;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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color: #fff;
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}
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.left-slide h1 {
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font-size: 40px;
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margin-bottom: 10px;
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margin-top: -30px;
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}
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.right-slide {
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height: 100%;
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width: 65%;
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position: absolute;
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top: 0;
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left: 35%;
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transition: transform .5s ease-in-out
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}
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.right-slide > div {
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background-repeat: no-repeat;
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background-size: cover;
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background-position: center center;
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height: 100%;
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width: 100%;
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}
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button {
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background-color: #fff;
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border: none;
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color: #aaa;
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cursor: pointer;
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font-size: 16px;
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padding: 15px;
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}
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button:hover {
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color: #222;
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}
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button:focus {
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outline: none;
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}
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.slider-container .action-buttons button {
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position: absolute;
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left: 35%;
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top: 50%;
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z-index: 100;
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}
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.slider-container .action-buttons .down-button {
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transform: translateX(-100%);
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border-top-left-radius: 5px;
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border-bottom-left-radius: 5px;
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}
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.slider-container .action-buttons .up-button {
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transform: translateY(-100%);
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border-top-right-radius: 5px;
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border-bottom-right-radius: 5px;
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}

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