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Why doesn't my accordion toggle when clicking on the heading icons?

Need some assistance with below accordion. When you click on the heading the accordion drops down, which is great and works well. However, when you click on the + / - the accordion doesn't dropdown. Not sure how to fix this and would greatly appreciate if someone to help. Not entirely sure how to amend the before/after so it's clickable.
function initAcc(elem, option){
document.addEventListener('click', function (e) {
if (!e.target.matches(elem+' .a-btn')) return;
else{
if(!e.target.parentElement.classList.contains('active')){
if(option==true){
var elementList = document.querySelectorAll(elem+' .a-container');
Array.prototype.forEach.call(elementList, function (e) {
e.classList.remove('active');
});
}
e.target.parentElement.classList.add('active');
}else{
e.target.parentElement.classList.remove('active');
}
}
});
}
initAcc('.accordion.v1', true);
.container {
display: flex;
flex-direction: column;
width: 100%;
max-width: 1000px;
margin: 0 auto;
padding: 10px 10px 100px 10px;
}
.container h1 {
text-align: center;
margin-bottom: 30px;
font-weight: 500;
}
.container h2 {
font-weight: 500;
}
.accordion {
display: flex;
flex-direction: column;
width: 100%;
height: auto;
}
.accordion .a-container {
display: flex;
flex-direction: column;
width: 100%;
padding-bottom: 5px;
}
.accordion .a-container .a-btn {
margin: 0;
position: relative;
padding: 15px 30px;
width: 100%;
color: #bdbdbd;
font-weight: 400;
display: block;
font-weight: 500;
background-color: #262626;
cursor: pointer;
transition: all 0.3s ease-in-out;
border-radius: 5px;
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.1) !important;
}
.accordion .a-container .a-btn span {
display: block;
position: absolute;
height: 14px;
width: 14px;
right: 20px;
top: 18px;
}
.accordion .a-container .a-btn span:after {
content: "";
width: 14px;
height: 3px;
border-radius: 2px;
background-color: #fff;
position: absolute;
top: 6px;
}
.accordion .a-container .a-btn span:before {
content: "";
width: 14px;
height: 3px;
border-radius: 2px;
background-color: #fff;
position: absolute;
top: 6px;
transform: rotate(90deg);
transition: all 0.3s ease-in-out;
}
.accordion .a-container .a-panel {
width: 100%;
color: #262626;
transition: all 0.2s ease-in-out;
opacity: 0;
height: auto;
max-height: 0;
overflow: hidden;
padding: 0px 10px;
}
.accordion .a-container.active .a-btn {
color: #fff;
}
.accordion .a-container.active .a-btn span::before {
transform: rotate(0deg);
}
.accordion .a-container.active .a-panel {
padding: 15px 10px 10px 10px;
opacity: 1;
max-height: 500px;
}
<div class="container">
<div class="accordion v1">
<div class="a-container">
<p class="a-btn">One <span></span></p>
<div class="a-panel">
<h4>Lorem ipsum dolor sit amet.</h4>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Laudantium minima dolores assumenda id. Porro consequuntur at dolor eum, neque labore!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Tenetur non sint sequi ipsa laudantium, iure rem vel nemo soluta temporibus, consectetur at corrupti aspernatur maxime, iusto ne blanditiis deleniti.</p>
</div>
</div>
<div class="a-container">
<p class="a-btn">Two <span></span></p>
<div class="a-panel">
<h4>Lorem ipsum dolor sit amet.</h4>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Laudantium minima dolores assumenda id. Porro consequuntur at dolor eum, neque labore!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Tenetur non sint sequi ipsa laudantium, iure rem vel nemo soluta temporibus, consectetur at corrupti aspernatur maxime, iusto ne blanditiis deleniti.</p>
</div>
</div>
</div>
</div>

Adding pointer-events:none to your span will work for you like so :-
function initAcc(elem, option){
document.addEventListener('click', function (e) {
if (!e.target.matches(elem+' .a-btn')) return;
else{
if(!e.target.parentElement.classList.contains('active')){
if(option==true){
var elementList = document.querySelectorAll(elem+' .a-container');
Array.prototype.forEach.call(elementList, function (e) {
e.classList.remove('active');
});
}
e.target.parentElement.classList.add('active');
}else{
e.target.parentElement.classList.remove('active');
}
}
});
}
initAcc('.accordion.v1', true);
.container {
display: flex;
flex-direction: column;
width: 100%;
max-width: 1000px;
margin: 0 auto;
padding: 10px 10px 100px 10px;
}
.container h1 {
text-align: center;
margin-bottom: 30px;
font-weight: 500;
}
.container h2 {
font-weight: 500;
}
.accordion {
display: flex;
flex-direction: column;
width: 100%;
height: auto;
}
.accordion .a-container {
display: flex;
flex-direction: column;
width: 100%;
padding-bottom: 5px;
}
.accordion .a-container .a-btn {
margin: 0;
position: relative;
padding: 15px 30px;
width: 100%;
color: #bdbdbd;
font-weight: 400;
display: block;
font-weight: 500;
background-color: #262626;
cursor: pointer;
transition: all 0.3s ease-in-out;
border-radius: 5px;
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.1) !important;
}
.accordion .a-container .a-btn span {
display: block;
position: absolute;
pointer-events:none;
height: 14px;
width: 14px;
right: 20px;
top: 18px;
}
.accordion .a-container .a-btn span:after {
content: "";
width: 14px;
height: 3px;
border-radius: 2px;
background-color: #fff;
position: absolute;
top: 6px;
}
.accordion .a-container .a-btn span:before {
content: "";
width: 14px;
height: 3px;
border-radius: 2px;
background-color: #fff;
position: absolute;
top: 6px;
transform: rotate(90deg);
transition: all 0.3s ease-in-out;
}
.accordion .a-container .a-panel {
width: 100%;
color: #262626;
transition: all 0.2s ease-in-out;
opacity: 0;
height: auto;
max-height: 0;
overflow: hidden;
padding: 0px 10px;
}
.accordion .a-container.active .a-btn {
color: #fff;
}
.accordion .a-container.active .a-btn span::before {
transform: rotate(0deg);
}
.accordion .a-container.active .a-panel {
padding: 15px 10px 10px 10px;
opacity: 1;
max-height: 500px;
}
<div class="container">
<div class="accordion v1">
<div class="a-container">
<p class="a-btn">One <span></span></p>
<div class="a-panel">
<h4>Lorem ipsum dolor sit amet.</h4>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Laudantium minima dolores assumenda id. Porro consequuntur at dolor eum, neque labore!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Tenetur non sint sequi ipsa laudantium, iure rem vel nemo soluta temporibus, consectetur at corrupti aspernatur maxime, iusto ne blanditiis deleniti.</p>
</div>
</div>
<div class="a-container">
<p class="a-btn">Two <span></span></p>
<div class="a-panel">
<h4>Lorem ipsum dolor sit amet.</h4>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Laudantium minima dolores assumenda id. Porro consequuntur at dolor eum, neque labore!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Tenetur non sint sequi ipsa laudantium, iure rem vel nemo soluta temporibus, consectetur at corrupti aspernatur maxime, iusto ne blanditiis deleniti.</p>
</div>
</div>
</div>
</div>
Explanation - Did this because your e.target needs to match with a specific selector but your e.target will vary based on where you click and it becomes this span when you click on the +/- icons. So I have prevented the pointer-events for that span. I like the closest approach as well by #espascarello.

The target is what you clicked. The + is not the element you are looking for, so you got to see if it is a child. Easiest way is closest.
function initAcc(elem, option){
document.addEventListener('click', function (e) {
const clickedElem = e.target.closest(elem+' .a-btn');
if (!clickedElem) return;
else{
if(!clickedElem.parentElement.classList.contains('active')){
if(option==true){
var elementList = document.querySelectorAll(elem+' .a-container');
Array.prototype.forEach.call(elementList, function (e) {
e.classList.remove('active');
});
}
clickedElem.parentElement.classList.add('active');
}else{
clickedElem.parentElement.classList.remove('active');
}
}
});
}
initAcc('.accordion.v1', true);
.container {
display: flex;
flex-direction: column;
width: 100%;
max-width: 1000px;
margin: 0 auto;
padding: 10px 10px 100px 10px;
}
.container h1 {
text-align: center;
margin-bottom: 30px;
font-weight: 500;
}
.container h2 {
font-weight: 500;
}
.accordion {
display: flex;
flex-direction: column;
width: 100%;
height: auto;
}
.accordion .a-container {
display: flex;
flex-direction: column;
width: 100%;
padding-bottom: 5px;
}
.accordion .a-container .a-btn {
margin: 0;
position: relative;
padding: 15px 30px;
width: 100%;
color: #bdbdbd;
font-weight: 400;
display: block;
font-weight: 500;
background-color: #262626;
cursor: pointer;
transition: all 0.3s ease-in-out;
border-radius: 5px;
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.1) !important;
}
.accordion .a-container .a-btn span {
display: block;
position: absolute;
height: 14px;
width: 14px;
right: 20px;
top: 18px;
}
.accordion .a-container .a-btn span:after {
content: "";
width: 14px;
height: 3px;
border-radius: 2px;
background-color: #fff;
position: absolute;
top: 6px;
}
.accordion .a-container .a-btn span:before {
content: "";
width: 14px;
height: 3px;
border-radius: 2px;
background-color: #fff;
position: absolute;
top: 6px;
transform: rotate(90deg);
transition: all 0.3s ease-in-out;
}
.accordion .a-container .a-panel {
width: 100%;
color: #262626;
transition: all 0.2s ease-in-out;
opacity: 0;
height: auto;
max-height: 0;
overflow: hidden;
padding: 0px 10px;
}
.accordion .a-container.active .a-btn {
color: #fff;
}
.accordion .a-container.active .a-btn span::before {
transform: rotate(0deg);
}
.accordion .a-container.active .a-panel {
padding: 15px 10px 10px 10px;
opacity: 1;
max-height: 500px;
}
<div class="container">
<div class="accordion v1">
<div class="a-container">
<p class="a-btn">One <span></span></p>
<div class="a-panel">
<h4>Lorem ipsum dolor sit amet.</h4>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Laudantium minima dolores assumenda id. Porro consequuntur at dolor eum, neque labore!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Tenetur non sint sequi ipsa laudantium, iure rem vel nemo soluta temporibus, consectetur at corrupti aspernatur maxime, iusto ne blanditiis deleniti.</p>
</div>
</div>
<div class="a-container">
<p class="a-btn">Two <span></span></p>
<div class="a-panel">
<h4>Lorem ipsum dolor sit amet.</h4>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Laudantium minima dolores assumenda id. Porro consequuntur at dolor eum, neque labore!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Tenetur non sint sequi ipsa laudantium, iure rem vel nemo soluta temporibus, consectetur at corrupti aspernatur maxime, iusto ne blanditiis deleniti.</p>
</div>
</div>
</div>
</div>

how to make a modal disappear if it is clicked outside

function modalopen(){
document.getElementById("overlay").style.display='block';
document.getElementById("modal").style.display='block';
}
function modalclose(){
document.getElementById("overlay").style.display='none';
document.getElementById("modal").style.display='none';
}
.closex{
border: none;
background-color: transparent;
font-weight: bold;
}
.open{
border: none;
background-color: dodgerblue;
border-radius: 14px;
width: 150px;
height: 40px;
font-size: 20px;
}
body{
background-color: whitesmoke;
}
.modal{
display: none;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
transition: 200ms ease-in-out;
border-radius: 10px;
z-index: 10;
background-color: white;
width: 500px;
max-width: 80%;
font-family: Arial;
border: 1px solid white;
box-shadow: 0 60px 120px rgba(0, 0, 0, 0.14), 0 40px 160px rgba(0, 0, 0, 0.24);
-webkit-animation: animatezoom 0.6s;
animation: animatezoom 0.6s;
}
#-webkit-keyframes animatezoom {
from {-webkit-transform: translate(-50%,-50%) scale(0)}
to {-webkit-transform: translate(-50%,-50%) scale(1)}
}
#keyframes animatezoom {
from {transform: translate(-50%,-50%) scale(0)}
to {transform: translate(-50%,-50%) scale(1)}
}
.mhead{
border-bottom: 1px solid rgba(0,0,0,0.5);
padding: 15px 15px 15px;
font-size: 22px;
}
.mbody{
padding: 15px 15px 15px 15px;
font-size: 19px
}
.close{
margin-left: 330px;
}
#overlay{
display: none;
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgba(0,0,0,0.5);
pointer-events: none;
}
<body>
<div id="overlay"></div>
<div class="modal" id="modal">
<div class="mhead">Welcome!!!<span class="close"><button class="closex" onclick="modalclose()">×</button></span></div>
<div class="mbody">
welcome to this site we are very happy that you are using this site.nisi ita quem quibusdam pariatur varias familiaritatem singulis fugiat
praesentibus qui quid id firmissimum officia se eram praesentibus coniunctione
ne quibusdam quem nulla despicationes praesentibus familiaritatem eiusmod eu o
relinqueret malis irure deserunt ingeniis aliqua ex aliquip arbitrantur irure
exquisitaque ad multos singulis cernantur ab aliquip consectetur fore
voluptatibus coniunctione tractavissent quo id nostrud reprehenderit
cohaerescant si sunt fore velit illum iis eram proident si expetendis varias
exercitation officia anim eram firmissimum domesticarum sint et nisi duis
coniunctione laboris pariatur aut lorem ubi qui e arbitrantur quid quibusdam
ipsum cohaerescant duis eiusmod reprehenderit varias nam dolor ut dolor mentitum
graviterque
</div>
</div>
<div align="center">
<button onclick="modalopen()" class="open">Open Modal</button>
</div>
</body>
From the above code if you click on the button it makes a modal appear by setting it's display to block, now what i want is that when you click outside the modal the modal will disappear, can anyone help with a code for that. i have tried
var modal = document.getElementById('modal');
// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
if (event.target == modal) {
modal.style.display = "none";
}
}
but that doesn't work
i have checked other question on stack overflow about this but none of them work

You already have all the pieces, you just need to put it all together. Remove the pointer-events: none; from the overlay CSS so we can click on it. Then add the onclick="modalclose()" to your overlay. Thats it.
function modalopen(){
document.getElementById("overlay").style.display='block';
document.getElementById("modal").style.display='block';
}
function modalclose(){
document.getElementById("overlay").style.display='none';
document.getElementById("modal").style.display='none';
}
.closex{
border: none;
background-color: transparent;
font-weight: bold;
}
.open{
border: none;
background-color: dodgerblue;
border-radius: 14px;
width: 150px;
height: 40px;
font-size: 20px;
}
body{
background-color: whitesmoke;
}
.modal{
display: none;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
transition: 200ms ease-in-out;
border-radius: 10px;
z-index: 10;
background-color: white;
width: 500px;
max-width: 80%;
font-family: Arial;
border: 1px solid white;
box-shadow: 0 60px 120px rgba(0, 0, 0, 0.14), 0 40px 160px rgba(0, 0, 0, 0.24);
-webkit-animation: animatezoom 0.6s;
animation: animatezoom 0.6s;
}
#-webkit-keyframes animatezoom {
from {-webkit-transform: translate(-50%,-50%) scale(0)}
to {-webkit-transform: translate(-50%,-50%) scale(1)}
}
#keyframes animatezoom {
from {transform: translate(-50%,-50%) scale(0)}
to {transform: translate(-50%,-50%) scale(1)}
}
.mhead{
border-bottom: 1px solid rgba(0,0,0,0.5);
padding: 15px 15px 15px;
font-size: 22px;
}
.mbody{
padding: 15px 15px 15px 15px;
font-size: 19px
}
.close{
margin-left: 330px;
}
#overlay{
display: none;
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgba(0,0,0,0.5);
}
<body>
<div id="overlay" onclick="modalclose()"></div>
<div class="modal" id="modal">
<div class="mhead">Welcome!!!<span class="close"><button class="closex" onclick="modalclose()">×</button></span></div>
<div class="mbody">
welcome to this site we are very happy that you are using this site.nisi ita quem quibusdam pariatur varias familiaritatem singulis fugiat
praesentibus qui quid id firmissimum officia se eram praesentibus coniunctione
ne quibusdam quem nulla despicationes praesentibus familiaritatem eiusmod eu o
relinqueret malis irure deserunt ingeniis aliqua ex aliquip arbitrantur irure
exquisitaque ad multos singulis cernantur ab aliquip consectetur fore
voluptatibus coniunctione tractavissent quo id nostrud reprehenderit
cohaerescant si sunt fore velit illum iis eram proident si expetendis varias
exercitation officia anim eram firmissimum domesticarum sint et nisi duis
coniunctione laboris pariatur aut lorem ubi qui e arbitrantur quid quibusdam
ipsum cohaerescant duis eiusmod reprehenderit varias nam dolor ut dolor mentitum
graviterque
</div>
</div>
<div align="center">
<button onclick="modalopen()" class="open">Open Modal</button>
</div>
</body>

You can find where is the click happem, like this
window.addEventListener("click", function(e) {
if (document.getElementById("modalWindow").contains(e.target)) {
alert("clicked inside");
} else {
alert("clicked outside");
}
});

Modals are pretty simple in nature. Most basic example would be consisting of modal itself, close button inside (or sometimes outside modal) and backdrop.
basic modal setup
Now what you want to do is close modal whenever backdrop or close button is clicked. Now there is a design decision to be made, you can include modal inside a backdrop, or keep them on the same level in DOM. From your example I can see that you went with second option. In this case all you need to do is add onClick event to backdrop.
<div id="overlay" onclick="modalclose()"></div>
In case you would have modal inside backdrop you would additionally need to stop event propagation, because any click inside modal would trigger it's parents (including backdrop) onClick events.
var modalElement = document.getElementById('modal');
modalElement.addEventListener('click', function(event){
event.stopPropagation();
});

What element can make the background:url(); to not display image

I am trying to add the following effect in one of the divs of my website:
https://www.youtube.com/watch?v=o8DTzU0Iol8
I have done everything from the video, yet the background images of .container_page_1 .column.active .bg.bg1 2,3, and 4 don't show up even with full path and the jQuery doesn't work as well.
I am sure that the thing that causes these issues is that I've added the code from the tutorial in a div that's not directly in the body, it's in other div, that's in another div.
I will paste all the code of the page, both HTML and CSS and also link a code pen, because I do not know what part of the code is faulty...
This is a live codepen: Codepen
I've separated my website into 3 pages. I've added a parallax effect on the first page and I've tried adding the effect from the video tutorial into the second page.
I also have a reset.css file that's just too big to add here. I've found it online. Without the reset.css the codepen will have a margin at the top through which you can see the background image that should have been on .container_page_1 .column.active .bg.bg1.
What do you think ?
$(document).on('mouseover', 'container_page_1 .column', function() {
$(this).addClass('active').siblings().removeClass('active');
})
// eliminate scroll-bar
var child = document.getElementById('child-container');
child.style.right = child.clientWidth - child.offsetWidth + "px";
/* *** index.html - START *** */
body, html {
height: 100%;
width: 100%;
overflow: hidden;
margin: 0;
padding: 0;
border: 0;
}
#parent-container {
height: 100%;
width: 100%;
overflow: hidden;
position: relative;
}
#child-container {
position: absolute;
top: 0px;
bottom: 0px;
left: 0px;
right: 0px; /* exact value is given through JavaScript */
overflow: auto;
scroll-snap-type: both proximity;
}
header {
height: 100%;
background-image: url("https://i.postimg.cc/V671cpsf/ps4-controller-min.jpg");
background-attachment: fixed;
background-position: bottom center;
background-repeat: no-repeat;
background-size: cover;
text-align: center;
scroll-snap-align: center;
}
header h1 {
font-size: 32px;
font-weight: bold;
position: sticky;
top: 5%;
margin-bottom:10px;
}
header p {
position: sticky;
width: 450px;
text-align: center;
margin: auto;
margin-top: 100px;
}
.container_page_1 {
width: 100%;
height: 100vh;
/* background-color: red; */
scroll-snap-align: center;
overflow: hidden;
}
.container_page_1 .column {
width: 25%;
height: 100%;
float: left;
border-right: 2px solid rgba(0, 0, 0, 0.5);
box-sizing: border-box;
z-index: 1;
}
.container_page_1 .column:last-child {
border-right: none;
}
.container_page_1 .column .content {
position: relative;
height: 100%;
}
.container_page_1 .column .content h1 {
position: absolute;
top: 50%;
transform: translateY(-50%);
width: 100%;
background: rgba(0, 0, 0, .1);
text-align: center;
margin: 0;
padding: 0;
color: rgba(255, 255, 255, .2);
font-size: 15em;
border-top: 2px solid rgba(0, 0, 0, 0.5);
border-bottom: 2px solid rgba(0, 0, 0, 0.5);
}
.container_page_1 .column .content .box {
position: absolute;
top: 50%;
transform: translateY(-50%);
box-sizing: border-box;
padding: 40px;
background: rgba(255, 255, 255, 1);
text-align: center;
transition: 0.5s;
opacity: 0;
}
.container_page_1 .column.active .content .box {
opacity: 1;
}
.container_page_1 .column .content .box h2 {
margin: 0;
padding: 0;
font-size: 30px;
color: #262626;
}
.container_page_1 .column .content .box p {
color: #262626;
font-size: 18px;
}
.container_page_1 .column .bg {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none;
z-index: -1;
}
.container_page_1 .column.active .bg.bg1 {
background: url('https://i.postimg.cc/ZRYZ24Ss/ac-odyssey-min.jpg');
background-size: cover;
background-attachment: fixed;
background-position: center;
transition: 0.5s;
}
.container_page_1 .column.active .bg.bg2 {
background: url('https://i.postimg.cc/x8h2XmbB/borderlands-3-min.jpg');
background-size: cover;
background-attachment: fixed;
background-position: center;
transition: 0.5s;
}
.container_page_1 .column.active .bg.bg3 {
background: url('https://i.postimg.cc/1RjPCkYM/god-of-war-4-min.jpg');
background-size: cover;
background-attachment: fixed;
background-position: center;
transition: 0.5s;
}
.container_page_1 .column.active .bg.bg4 {
background: url('https://i.postimg.cc/qqzrBwg8/sw-jedi-fallen-order-min.jpg');
background-size: cover;
background-attachment: fixed;
background-position: center;
transition: 0.5s;
}
.container_page_2 {
width: 100%;
height: 100%;
background-color: green;
scroll-snap-align: center;
}
/* *** index.html - END *** */
<script src="https://code.jquery.com/jquery-3.4.1.js"></script>
<div id="parent-container">
<div id=child-container>
<header>
<a href="#page2">
<h1 id="sticky-title">ACG - Gaming and e-Sports News</h1>
</a>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Modi debitis in libero tenetur suscipit iusto eum nulla dolorum aperiam adipisci unde veritatis vel iure, a nam, saepe exercitationem illum vitae.</p>
</header>
<div id="page2" class="container_page_1">
<div class="column active">
<div class="content">
<h1>1</h1>
<div class="box">
<h2>What is lorem ipsum</h2>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Inventore necessitatibus possimus fuga voluptate incidunt enim eius sed, ad suscipit error quasi ex blanditiis ipsa, at vero officiis voluptatem a modi!
</p>
</div>
</div>
<div class="bg bg1"></div>
</div>
<div class="column">
<div class="content">
<h1>2</h1>
<div class="box">
<h2>What is lorem ipsum</h2>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Inventore necessitatibus possimus fuga voluptate incidunt enim eius sed, ad suscipit error quasi ex blanditiis ipsa, at vero officiis voluptatem a modi!
</p>
</div>
</div>
<div class="bg bg2"></div>
</div>
<div class="column">
<div class="content">
<h1>3</h1>
<div class="box">
<h2>What is lorem ipsum</h2>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Inventore necessitatibus possimus fuga voluptate incidunt enim eius sed, ad suscipit error quasi ex blanditiis ipsa, at vero officiis voluptatem a modi!
</p>
</div>
</div>
<div class="bg bg3"></div>
</div>
<div class="column">
<div class="content">
<h1>4</h1>
<div class="box">
<h2>What is lorem ipsum</h2>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Inventore necessitatibus possimus fuga voluptate incidunt enim eius sed, ad suscipit error quasi ex blanditiis ipsa, at vero officiis voluptatem a modi!
</p>
</div>
</div>
<div class="bg bg4"></div>
</div>
</div>
<div class="container_page_2">
</div>
</div>
</div>

How to make the picture in the background change with the main slider?

There is a usual slider with text information. How to make so that when changing the slide with the text the background picture itself also changes? How to implement this? I use slick-slider. But the text "static text here" with a white background should not change with the slider. It is important. I am interested in this implementation and its possibility in principle.
$('.js-slider').slick({
appendArrows:$('.head-slider .js-arrows'), // Class For Arrows Buttons
prevArrow:'<span class="arrow arrow_prev arrow_lg"></span>',
nextArrow:'<span class="arrow arrow_next arrow_lg"></span>',
autoplay: true,
autoplaySpeed: 2000,
});
* {
box-sizing: border-box;
margin: 0;
padding: 0;
outline: none;
}
html {
height: 100%;
}
body {
margin: 0;
min-height: 100%;
}
.wrap {
height: 100vh;
background-position: 50%;
background-repeat: no-repeat;
background-size: cover;
}
.head-slider {
max-width: 786px;
width: 100%;
position: relative;
background: rgba(195, 158, 158, 0.7);
margin: auto 0;
}
.head-slider p {
font-size: 20px;
line-height: 28px;
max-height: 165px;
overflow: hidden;
}
.arrows {
position: absolute;
top: 48px;
right: 40px;
z-index: 10;
}
.arrows_main {
top: inherit;
right: 0;
}
.slider-item {
margin: 55px;
min-height: 342px;
max-height: 342px;
overflow: hidden;
}
.arrow {
display: inline-block;
width: 40px;
height: 40px;
position: relative;
cursor: pointer;
}
.arrow:after {
content: "";
display: inline-block;
vertical-align: middle;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: auto;
width: 8px;
height: 8px;
border-top: 2px solid #c96217;
border-right: 2px solid #c96217;
transition: transform 0.5s;
}
.arrow_next:after {
transform: rotate(45deg);
}
.arrow_prev:after {
transform: rotate(225deg);
}
.text {
background: #fff;
}
<link href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.5.9/slick-theme.min.css" rel="stylesheet"/>
<link href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.5.9/slick.min.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.5.9/slick.min.js"></script>
<div class="wrap" style="background-image: url(https://images.unsplash.com/photo-1539567601-bf304c363f16?ixlib=r0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=7aee0ae43485302fd9e03461549a1459&auto=format&fit=crop&w=3891&q=80)">
<div class="head-slider">
<div class="arrows arrows_main js-arrows"></div>
<div class="slider js-slider">
<div class="slider-item">
<h2>Lorem ipsum dolor sit amet consectetur adipisicing elit.</h2>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Ducimus soluta inventore nisi tempore! In deleniti nobis, incidunt doloremque quia labore vero odio, accusantium laborum, necessitatibus perspiciatis minima esse itaque! Fuga, dolore animi esse voluptatibus recusandae assumenda sed praesentium eos ex!
</p>
</div>
<div class="slider-item">
<h2>Lorem ipsum dolor sit amet.</h2>
<p>Lorem ipsum dolor sit, amet consectetur adipisicing elit. Saepe porro qui sint, obcaecati eius excepturi! Cumque accusamus numquam maiores dolorum quaerat suscipit cum placeat praesentium.</p>
</div>
<div class="slider-item">
<h2>Lorem ipsum dolor sit amet</h2>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Beatae, quasi.</p>
</div>
</div>
</div>
<div class="text">
static text here
</div>
</div>

Good question Dan,
One way to handle this is by placing a "cover" over your slider. Use absolute positioning to place a div over your slider. Then, you can place text in front of the slider, while having the slider rotate images in the background.
I went ahead and added a snippet to make my answer more clear.
https://codepen.io/jacobshenning/pen/qJVMQa
HTML
<div class="container">
<div class="cover">
Cover Text
</div>
<div class="slider">
<div id="ImageOne"></div>
<div id="ImageTwo"></div>
<div id="ImageThree"></div>
</div>
</div>
CSS
.container {
height: 600px;
width: 400px;
}
.cover {
color: white;
position: absolute;
padding: 20px;
font-size: 24px;
z-index: 100;
}
#ImageOne {
background-image: url('http://hwr.org.uk/wp-content/uploads/2016/11/placeholder-dark-600-400-729dad18518ecd2cd47afb63f9e6eb09.jpg');
background-size: cover;
min-height: 300px;
}
#ImageTwo {
background-image: url('http://gbaproducts.com/wp-content/uploads/2017/11/img-placeholder-dark-vertical.jpg');
background-size: cover;
min-height: 300px;
}
#ImageThree {
background-image: url('https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTHdqxo4BzJeS6EZkWzm9lqnmikKnGUXBsTAm1V55j3IWAfMn2daQ');
background-size: cover;
min-height: 300px;
}
JS
$(document).ready(function(){
$('.slider').slick();
});

CSS width transition from 0 to x causes content squish

JsFiddle: https://jsfiddle.net/323qLz0y/
Hover over the grey box. See how when the left panel slides out, the content is squished vertically? When the transition ends, the content becomes "well-formed". How can i make the content "well-formed" while it is sliding out? Thanks.
Stack requires some code so here's the left panel portion. I tried white-space:nowrap but it forces the content onto one line which isn't what i want.
.left-panel {
width: 0px;
transition: width 1s;
float:left;
overflow: hidden;
height: 250px;
}
.left-panel-slide {
width:200px;
}

Simply give width to the p and h1 to achieve the effect you are looking for
$('.middle-panel').on('mouseover', function () {
$('.left-panel').addClass('left-panel-slide');
$('.container').addClass('container-slide');
});
$('.middle-panel').on('mouseout', function () {
$('.left-panel').removeClass('left-panel-slide');
$('.container').removeClass('container-slide');
});
.container {
position: absolute;
border: 3px blue solid;
width: 200px;
height: 250px;
left: 300px;
top:30%;
transition: width 1s, left 1s;
}
.container-slide {
width: 400px;
left:100px;
}
.middle-panel {
background:grey;
width:200px;
height: 250px;
float:left;
}
.left-panel {
width: 0px;
transition: width 1s;
float:left;
overflow: hidden;
height: 250px;
}
.left-panel p,.left-panel h1{
width:200px;
}
.left-panel-slide {
width:200px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<div class="container">
<div class="left-panel">
<h1> Hello World! </h1>
<p>Lorem ipsum dolor sit amet, ea vero veritus eam, ad aperiri inermis consequuntur est. Id mundi accumsan eum, ius modo dicunt quaerendum ex.</p>
</div>
<div class="middle-panel"></div>
</div>

Just wrap the content that slides inside a div with a fixed width.
<div class="container">
<div class="left-panel">
<div class="content-wrapper">
<h1> Hello World! </h1>
<p>Lorem ipsum dolor sit amet, ea vero veritus eam, ad aperiri inermis consequuntur est. Id mundi accumsan eum, ius modo dicunt quaerendum ex.</p>
</div>
</div>
<div class="middle-panel"></div>
</div>
.content-wrapper {
width: 200px;
}
https://jsfiddle.net/323qLz0y/

You have to fix children's width, like this (refering to the JS fiddle HTML):
.left-panel h1, .left-panel p{
width: 200px;
}

This is all very doable without JavaScript or extra styling on the inner elements.
.container {
position: absolute;
border: 3px blue solid;
width: 200px;
height: 250px;
left: 300px;
top:30%;
transition: width 1s, left 1s;
}
.middle-panel {
background:grey;
width:200px;
height: 250px;
float:left;
}
.left-panel {
width: 180px;
padding: 10px;
transition: all 1s;
overflow: hidden;
height: 250px;
position: absolute;
left: 0;
z-index: -1;
}
.container:hover .left-panel {
left: -200px;
}
<div class="container">
<div class="left-panel">
<h1> Hello World! </h1>
<p>Lorem ipsum dolor sit amet, ea vero veritus eam, ad aperiri inermis consequuntur est. Id mundi accumsan eum, ius modo dicunt quaerendum ex.</p>
</div>
<div class="middle-panel"></div>
</div>
Fiddle demo