Front page collection list format problems all off a sudden

the last few weeks have been having problem of the collection list all of sudden being not level and format issue as in picture attached

Try this
Instuctions

  1. Go to ‘Online Store’ → Themes → Customize

  2. Click on the Collection List

  3. On the left side find this

ratio.PNG

  1. Change the Image ratio to Square or Portrait.

Hope this helps