Are you trying to hide the logo and show a logo when the scroll down in Divi Theme? Now it’s is quite easy! You can hide the logo on any page and show it on just scroll down. The logo on other pages will not be changed.
If you want to change the style of a specific element on a certain page or post, you can change with a specific Page ID. you can see specific page ID on the WordPress Dashboard.
On the example above, the page’s unique ID is .page-id-179. We can use it to Hide logo within that page.
.page-id-179 #logo {
opacity: 0;
}
Now we will show the logo on just scroll down with CSS. You can use this CSS to show the logo on just scroll down.
.et-fixed-header #logo {
opacity: 1 !important;
}
With this CSS Logo on other pages will not be affected.