Hi @Magnifyre,
Thank you for reaching out to us. To make your class section-bg-overlay work, please replace your code with the following:
.section-bg-overlay {position: relative;}
.section-bg-overlay:before {
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
content: '';
display: block;
}
Now you can assign this class section-bg-overlay to your sections to have a dark overlay. Here are some related links for further reading, this could help you in finding and implementing some CSS fixes:
Don’t forget to clear all caches including your browser’s cache after adding the code. Let us know how this goes!