oh dear! that's because there's no size or position for the 'lighthouse-group' element. This is 100% my fault, I forgot this step in the tutorial (I've now amended the post). If you add the below CSS, and use the bottom property again, your issues should be fixed
Not sure... if you add the link to your pen, I'd be happy to have a look
Here is the pen: "codepen.io/aggelow/pen/yxPBjW".
oh dear! that's because there's no size or position for the 'lighthouse-group' element. This is 100% my fault, I forgot this step in the tutorial (I've now amended the post). If you add the below CSS, and use the bottom property again, your issues should be fixed
.lighthouse-group {
width: 50%;
height: 100%;
bottom: 0;
left: 0;
z-index: 2;
}