/*hiding the arrow buttons */Insert the code in script editor to hide the arrow buttons of tiles
<style>.ms-promlink-header{display:none;}</style/*hiding the arrow buttons */Insert the code in script editor to hide the arrow buttons of tiles
<style>.ms-promlink-header{display:none;}</styleUsing script editor we can use below code to display tiles in 3 Rows and Columns
<style> width: 480px;}</style>
/*The Below CSS shows the Tiles in 2 Rows<style> width: 420px;}</style>