There is a new look for the RSS Listing module in Act Theme, including a masonry functionality.
Then, add this custom class to your new module:
Here are some additional classes to change the look, feel and functionality of this component:
||Displays the featured image as a full-width banner. See the Live Demo|
||It makes the entire box clickable.|
||The spacing between masonry items is reduced.|
||The masonry layout is no longer active, so new rows are placed below the tallest item in the previous row.|