As part of our recent enhancements to Ad Settings, the background of the CLS ad boxes where ads display was changed from light grey to transparent. Formerly, the ad boxes would look like this:
Now, following the update, they have a transparent background that matches the background of your site:
If you would prefer for the boxes to have a light grey background as they did formerly, this can easily be done with some CSS.
All you’ll need to do is to add the following CSS to your site and then clear the cache, and the ad boxes will have a light grey background:
.mv-ad-box,
.mv-ad-box .adunitwrapper.mv-native-size {
background-color: #fafafa;
}