How to create a Lightbox gallery
Before We Start
A gallery is one of the main components of a website, It contains links to the other sections and a user interface element within a website. The most important one and the first section that the user sees when he/she enters a website.
How to create a Lightbox gallery. So if you are a person who wishes to develop a website, you have to know how to create a gallery properly.
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In this article we discuss how to create a gallery. Before we start please read the below articles which easier you to understand the process, if you are new to development.
Step 1 – Add HTML
It’s too easy and simple. Just copy and paste below code in your HTML editor between <body> </body> tag.
<body>
<div class="row">
<div class="col">
<img src="https://source.unsplash.com/random/200" onclick="openLightbox();toSlide(1)" class="hover-shadow preview" alt="" />
</div>
<div class="col">
<img src="https://source.unsplash.com/random/201" onclick="openLightbox();toSlide(2)" class="hover-shadow preview" alt="" />
</div>
<div class="col">
<img src="https://source.unsplash.com/random/202" onclick="openLightbox();toSlide(3)" class="hover-shadow preview" alt="" />
<img src="https://source.unsplash.com/random/203" onclick="openLightbox();toSlide(4)" class="hover-shadow preview" alt="" />
</div>
<div class="col">
<img src="https://source.unsplash.com/random/204" onclick="openLightbox();toSlide(5)" class="hover-shadow preview" alt="" />
</div>
<div class="col">
<img src="https://source.unsplash.com/random/205" onclick="openLightbox();toSlide(6)" class="hover-shadow preview" alt="" />
</div>
</div>
<div id="Lightbox" class="modal">
<span class="close pointer" onclick="closeLightbox()">×</span>
<div class="modal-content">
<div class="slide">
<img src="https://source.unsplash.com/random/200" class="image-slide" alt="" />
</div>
<div class="slide">
<img src="https://source.unsplash.com/random/201" class="image-slide" alt="" />
</div>
<div class="slide">
<img src="https://source.unsplash.com/random/202" class="image-slide" alt="" />
</div>
<div class="slide">
<img src="https://source.unsplash.com/random/203" class="image-slide" alt="" />
</div>
<div class="slide">
<img src="https://source.unsplash.com/random/204" class="image-slide" alt="" />
</div>
<div class="slide">
<img src="https://source.unsplash.com/random/205" class="image-slide" alt="" />
</div>
<a class="previous" onclick="changeSlide(-1)">❮</a>
<a class="next" onclick="changeSlide(1)">❯</a>
<div class="dots">
<div class="col">
<img src="https://source.unsplash.com/random/200" class="modal-preview hover-shadow" onclick="toSlide(1)" alt="" />
</div>
<div class="col">
<img src="https://source.unsplash.com/random/201" class="modal-preview hover-shadow" onclick="toSlide(2)" alt="" />
</div>
<div class="col">
<img src="https://source.unsplash.com/random/202" class="modal-preview hover-shadow" onclick="toSlide(3)" alt="" />
</div>
<div class="col">
<img src="https://source.unsplash.com/random/203" class="modal-preview hover-shadow" onclick="toSlide(4)" alt="" />
</div>
<div class="col">
<img src="https://source.unsplash.com/random/204" class="modal-preview hover-shadow" onclick="toSlide(5)" alt="" />
</div>
<div class="col">
<img src="https://source.unsplash.com/random/205" class="modal-preview hover-shadow" onclick="toSlide(6)" alt="" />
</div>
</div>
</div>
</div>
</body>
Step 2 – Add CSS
Copy and paste below code in your HTML editor between <style></style> tag.
<style>
html {
box-sizing: border-box;
}
*, *:before, *:after {
box-sizing: inherit;
}
body {
margin: 0;
}
.preview {
width: 100%;
}
.row {
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
margin: 2rem auto;
width: 80vw;
}
.row > .col {
padding: 0 10px;
}
.col {
float: left;
width: 33.3%;
}
.modal {
display: none;
position: fixed;
z-index: 1;
padding: 10px 62px 0px 62px;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: auto;
background-color: black;
}
.modal-content {
position: relative;
display: flex;
flex-direction: column;
justify-content: center;
margin: auto;
padding: 0 0 0 0;
width: 80vw;
max-width: 1000px;
}
.slide {
display: none;
}
.image-slide {
width: 100%;
}
.modal-preview {
width: 100%;
}
.dots {
display: flex;
flex-direction: row;
justify-content: space-between;
}
img.preview, img.modal-preview {
cursor: pointer;
opacity: 0.7;
}
img.active,
.preview:hover,
.modal-preview:hover {
opacity: 1;
}
img.hover-shadow {
transition: 0.3s;
}
.hover-shadow:hover {
box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}
.close {
color: white;
position: absolute;
top: 10px;
right: 25px;
font-size: 35px;
font-weight: bold;
}
.close:hover,
.close:focus {
color: #999;
text-decoration: none;
cursor: pointer;
}
.previous,
.next {
cursor: pointer;
position: absolute;
top: 50%;
width: auto;
padding: 16px;
margin-top: -50px;
color: white;
font-weight: bold;
font-size: 24px;
transition: 0.6s ease;
border-radius: 0 3px 3px 0;
user-select: none;
-webkit-user-select: none;
}
.next {
right: 0;
border-radius: 3px 0 0 3px;
}
.previous:hover,
.next:hover {
background-color: rgba(0, 0, 0, 0.8);
}
</style>
Step 2 – Add JavaScript
We use some external JavaScript link to this code. No need to worry about this, copy and paste below code between <head></head> tag.
<script>
let slideIndex = 1;
showSlide(slideIndex);
function openLightbox() {
document.getElementById('Lightbox').style.display = 'block';
};
function closeLightbox() {
document.getElementById('Lightbox').style.display = 'none';
};
function changeSlide(n) {
showSlide(slideIndex += n);
};
function toSlide(n) {
showSlide(slideIndex = n);
};
function showSlide(n) {
const slides = document.getElementsByClassName('slide');
let modalPreviews = document.getElementsByClassName('modal-preview');
if (n > slides.length) {
slideIndex = 1;
};
if (n < 1) {
slideIndex = slides.length;
};
for (let i = 0; i < slides.length; i++) {
slides[i].style.display = "none";
};
for (let i = 0; i < modalPreviews.length; i++) {
modalPreviews[i].className = modalPreviews[i].className.replace(' active', '');
};
slides[slideIndex - 1].style.display = 'block';
modalPreviews[slideIndex - 1].className += ' active';
};
</script>
At the end we will have something like this. You can change fonts, colors, backgrounds and all things that you want.Enjoy it.
Video Tutorial
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