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scroll-back-top.html
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scroll-back-top.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Scroll Back Top</title>
<link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.1.3/css/bootstrap.min.css'>
<link rel='stylesheet' href='https://s3-us-west-2.amazonaws.com/s.cdpn.io/1462889/unicons.css'>
<style>
@import url('https://fonts.googleapis.com/css?family=Muli:200,200i,300,300i,400,400i,600,600i,700,700i,800,800i,900,900i&subset=latin-ext,vietnamese');
@import url('https://fonts.googleapis.com/css?family=Raleway:100,100i,200,200i,300,300i,400,400i,500,500i,600,600i,700,700i,800,800i,900,900i&subset=latin-ext');
:root {
font-size: 20px;
--red: #da2c4d;
--yellow: #f8ab37;
--green: #2ecc71;
--white: #ffffff;
--grey-light: #f2f7f9;
--grey: #ecedf3;
--black: #080808;
--black-blue: #1f2029;
--black-blue-light: #353746;
--black-blue-light-2: #404255;
--black-blue-light-3: #4b4d64;
--black-light: #424455;
}
body{
font-family: 'Raleway', sans-serif;
font-size: 16px;
font-weight: 500;
line-height: 1.65;
color: var(--grey);
background-color: var(--black-blue);
overflow-x: hidden;
letter-spacing: 0.2px;
-webkit-transition: all 200ms linear;
transition: all 200ms linear;
text-rendering: optimizeLegibility !important;
-webkit-font-smoothing: antialiased !important;
}
body.light{
color: var(--black-light);
}
h1{
font-family: 'Muli', sans-serif;
font-size: 12vw;
font-weight: 900;
line-height: 1;
color: var(--white);
-webkit-transition: all 200ms linear;
transition: all 200ms linear;
}
body.light h1{
color: var(--black);
}
body.light{
background-color: var(--white);
}
@-webkit-keyframes border-transform{
0%,100% { border-radius: 63% 37% 54% 46% / 55% 48% 52% 45%; }
14% { border-radius: 40% 60% 54% 46% / 49% 60% 40% 51%; }
28% { border-radius: 54% 46% 38% 62% / 49% 70% 30% 51%; }
42% { border-radius: 61% 39% 55% 45% / 61% 38% 62% 39%; }
56% { border-radius: 61% 39% 67% 33% / 70% 50% 50% 30%; }
70% { border-radius: 50% 50% 34% 66% / 56% 68% 32% 44%; }
84% { border-radius: 46% 54% 50% 50% / 35% 61% 39% 65%; }
}
@keyframes border-transform{
0%,100% { border-radius: 63% 37% 54% 46% / 55% 48% 52% 45%; }
14% { border-radius: 40% 60% 54% 46% / 49% 60% 40% 51%; }
28% { border-radius: 54% 46% 38% 62% / 49% 70% 30% 51%; }
42% { border-radius: 61% 39% 55% 45% / 61% 38% 62% 39%; }
56% { border-radius: 61% 39% 67% 33% / 70% 50% 50% 30%; }
70% { border-radius: 50% 50% 34% 66% / 56% 68% 32% 44%; }
84% { border-radius: 46% 54% 50% 50% / 35% 61% 39% 65%; }
}
body.light .navbar-brand::before{
opacity: 1;
}
body.light .navbar-brand::after{
opacity: 0;
}
.section {
position: relative;
width: 100%;
display: block;
overflow: hidden;
height: 100vh;
}
.center-wrap {
position: absolute;
width: 100%;
display: block;
overflow: hidden;
left: 0;
top: 50%;
transform: translateY(-50%);
z-index: 2;
}
.color-gradient-red-yellow {
background: linear-gradient(160deg, var(--red), var(--yellow));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.color-gradient-red-yellow .uil:before {
background: linear-gradient(160deg, var(--red), var(--yellow));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.size-22 {
font-size: 22px;
}
/* #Progress
================================================== */
.progress-wrap {
position: fixed;
right: 50px;
bottom: 50px;
height: 46px;
width: 46px;
cursor: pointer;
display: block;
border-radius: 50px;
box-shadow: inset 0 0 0 2px rgba(255,255,255,0.2);
z-index: 10000;
opacity: 0;
visibility: hidden;
transform: translateY(15px);
-webkit-transition: all 200ms linear;
transition: all 200ms linear;
}
.progress-wrap.active-progress {
opacity: 1;
visibility: visible;
transform: translateY(0);
}
.progress-wrap::after {
position: absolute;
font-family: 'unicons';
content: '\e84b';
text-align: center;
line-height: 46px;
font-size: 24px;
color: var(--grey);
left: 0;
top: 0;
height: 46px;
width: 46px;
cursor: pointer;
display: block;
z-index: 1;
-webkit-transition: all 200ms linear;
transition: all 200ms linear;
}
.progress-wrap:hover::after {
opacity: 0;
}
.progress-wrap::before {
position: absolute;
font-family: 'unicons';
content: '\e84b';
text-align: center;
line-height: 46px;
font-size: 24px;
opacity: 0;
background-image: linear-gradient(298deg, var(--red), var(--yellow));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
left: 0;
top: 0;
height: 46px;
width: 46px;
cursor: pointer;
display: block;
z-index: 2;
-webkit-transition: all 200ms linear;
transition: all 200ms linear;
}
.progress-wrap:hover::before {
opacity: 1;
}
.progress-wrap svg path {
fill: none;
}
.progress-wrap svg.progress-circle path {
stroke: var(--grey);
stroke-width: 4;
box-sizing:border-box;
-webkit-transition: all 200ms linear;
transition: all 200ms linear;
}
body.light .progress-wrap {
box-shadow: inset 0 0 0 2px rgba(0,0,0,0.2);
}
body.light .progress-wrap::after {
color: var(--black-blue);
}
body.light .progress-wrap svg.progress-circle path {
stroke: var(--black-blue);
}
.switch,
.circle {
-webkit-transition: all 300ms linear;
transition: all 300ms linear;
}
.switch {
width: 80px;
height: 4px;
border-radius: 27px;
background-image: linear-gradient(298deg, var(--red), var(--yellow));
position: fixed;
right: 50px;
top: 75px;
display: block;
margin: 0 auto;
text-align: center;
opacity: 1;
z-index: 33333;
transition: all 300ms linear;
}
.circle {
cursor: pointer;
position: absolute;
top: 50%;
transform: translateY(-50%);
left: -5px;
width: 40px;
height: 40px;
border-radius: 50%;
background: var(--black-blue-light-3);
box-shadow: 0 4px 4px rgba(26,53,71,0.25), 0 0 0 1px rgba(26,53,71,0.07);
animation: border-transform 10s linear infinite alternate forwards;
}
.circle:hover {
box-shadow: 0 8px 8px rgba(26,53,71,0.25), 0 0 0 1px rgba(26,53,71,0.07);
}
.circle:before {
position: absolute;
font-family: 'unicons';
content: '\eac1';
top: 0;
left: 0;
z-index: 2;
font-size: 20px;
line-height: 40px;
text-align: center;
width: 100%;
height: 40px;
opacity: 1;
color: var(--grey);
-webkit-transition: all 300ms linear;
transition: all 300ms linear;
}
.circle:after {
position: absolute;
font-family: 'unicons';
content: '\eb8f';
top: 0;
left: 0;
z-index: 2;
font-size: 20px;
line-height: 40px;
text-align: center;
width: 100%;
height: 40px;
color: var(--yellow);
opacity: 0;
-webkit-transition: all 300ms linear;
transition: all 300ms linear;
}
.switched {
}
.switched .circle {
left: 45px;
box-shadow: 0 4px 4px rgba(26,53,71,0.25), 0 0 0 1px rgba(26,53,71,0.07);
background: var(--black-blue);
}
.switched .circle:hover {
box-shadow: 0 8px 8px rgba(26,53,71,0.25), 0 0 0 1px rgba(26,53,71,0.07);
}
.switched .circle:before {
opacity: 0;
}
.switched .circle:after {
opacity: 1;
}
</style>
</head>
<body>
<div class="section">
<div class="center-wrap">
<h1 class="text-center">Scroll</h1>
<p class="text-center mb-0">Look at the right bottom corner<span class="color-gradient-red-yellow"><i class="uil uil-chart-down size-22 ml-2"></i></span></p>
</div>
</div>
<div class="section">
</div>
<div class="section">
</div>
<div class="switch">
<div class="circle"></div>
</div>
<div class="progress-wrap">
<svg class="progress-circle svg-content" width="100%" height="100%" viewBox="-1 -1 102 102">
<path d="M50,1 a49,49 0 0,1 0,98 a49,49 0 0,1 0,-98"/>
</svg>
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/1.10.0/jquery.min.js"></script>
<script>
(function($) {
$(".switch").on('click', function () {
if ($("body").hasClass("light")) {
$("body").removeClass("light");
$(".switch").removeClass("switched");
}
else {
$("body").addClass("light");
$(".switch").addClass("switched");
}
});
$(document).ready(function(){
//Scroll back to top
var progressPath = document.querySelector('.progress-wrap path');
var pathLength = progressPath.getTotalLength();
progressPath.style.transition = progressPath.style.WebkitTransition = 'none';
progressPath.style.strokeDasharray = pathLength + ' ' + pathLength;
progressPath.style.strokeDashoffset = pathLength;
progressPath.getBoundingClientRect();
progressPath.style.transition = progressPath.style.WebkitTransition = 'stroke-dashoffset 10ms linear';
var updateProgress = function () {
var scroll = $(window).scrollTop();
var height = $(document).height() - $(window).height();
var progress = pathLength - (scroll * pathLength / height);
progressPath.style.strokeDashoffset = progress;
}
updateProgress();
$(window).scroll(updateProgress);
var offset = 50;
var duration = 550;
jQuery(window).on('scroll', function() {
if (jQuery(this).scrollTop() > offset) {
jQuery('.progress-wrap').addClass('active-progress');
} else {
jQuery('.progress-wrap').removeClass('active-progress');
}
});
jQuery('.progress-wrap').on('click', function(event) {
event.preventDefault();
jQuery('html, body').animate({scrollTop: 0}, duration);
return false;
})
});
})(jQuery);
</script>
</body>
</html>