section#section1
.section-grid
.left
.grid-text
p Lorem, ipsum dolor sit amet consectetur adipisicing elit. Facilis consequuntur officia laboriosam error. Illum numquam est labore suscipit deserunt voluptate aspernatur dolorem, ipsam recusandae cupiditate itaque omnis eum fuga iste?
.right
.grid-image.image-1.active
img(src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/495197/0st9yhngses-benjamin-child.jpg")
section#section2
.section-grid
.left
.grid-text
p Lorem, ipsum dolor sit amet consectetur adipisicing elit. Facilis consequuntur officia laboriosam error. Illum numquam est labore suscipit deserunt voluptate aspernatur dolorem, ipsam recusandae cupiditate itaque omnis eum fuga iste?
.right
.grid-image.image-2.active
img(src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/495197/2fgvaqx-fxs-oskar-krawczyk.jpg")
section#section3
.section-grid
.left
.grid-text
p Lorem, ipsum dolor sit amet consectetur adipisicing elit. Facilis consequuntur officia laboriosam error. Illum numquam est labore suscipit deserunt voluptate aspernatur dolorem, ipsam recusandae cupiditate itaque omnis eum fuga iste?
.right
.grid-image.image-3.active
img(src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/495197/Great_Wave_off_Kanagawa2_cr.jpg")
View Compiled
@import url("https://fonts.googleapis.com/css?family=Montserrat:400,400i,700")
body
font-family: Montserrat, sans-serif
line-height: 1.4
img
width: 200px
display: block
box-shadow: 0px 0px 30px 0px rgba(black, 0.3)
@media (min-width: 700px)
width: 400px
@media (min-width: 1000px)
width: 600px
.section-grid
display: grid
// Responsive, 1/3 - 2/3 split
grid-template-columns: 1fr 2fr
height: 100vh
.left,
.right
// Center the elements in each column
display: flex
justify-content: center
align-items: center
.grid-text
padding: 1rem
position: relative
// Flexbox centers the paragraph element
display: flex
justify-content: center
align-items: center
height: 100%
.grid-image
// keeps the image fixed on scroll
position: fixed
z-index: 100
.image-1,
.image-2,
.image-3
opacity: 0
&.active
animation: fadeIn 1000ms ease forwards
opacity: 1
@keyframes fadeIn
0%
opacity: 0
100%
opacity: 1
View Compiled
// find the top of each section
var section1 = $('#section1').offset().top;
var section2 = $('#section2').offset().top;
var section3 = $('#section3').offset().top;
// number of pixels before the section to change image
var scrollOffset = 300;
// run this function when the window scrolls
$(window).scroll(function() {
// get the window height on scroll
var scroll = $(window).scrollTop() + scrollOffset;
// if scroll hits the top of section 1
if ( scroll < 500 ) {
$('.grid-image img').attr('src', 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/495197/0st9yhngses-benjamin-child.jpg');
}
// if scroll hits the top of section 2
if ( scroll > section2 ) {
$('.grid-image img').attr('src', 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/495197/2fgvaqx-fxs-oskar-krawczyk.jpg');
}
// if scroll hits the top of section 3
if ( scroll > section3 ) {
$('.grid-image img').attr('src', 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/495197/Great_Wave_off_Kanagawa2_cr.jpg');
}
});
This Pen doesn't use any external CSS resources.