This is done by the "Gallery Grid" Shortcode when you select "masonry" Grid layout!
Details of an Additional File Deletion Vulnerability – Patched in WordPress 4.9.7 https://t.co/9dfE2itGLf via @wordfence Tweet URL
WordPress 4.9.7 Security and Maintenance Release https://t.co/vn6GoL8oWF via @WordPress Tweet URL
The wait is almost over. Our BodyFlex premium WordPress theme is just around the corner. Warm up and stay focused… https://t.co/7J5NIrPUBG Tweet URL