Under your shopify dashboard, navigate to "themes" under "online stores" which is under "Sales channels". Here, click on customize button for the current theme you are using. Navigate to the page, where you want to customize the stories.
Click on the story app in the sidebar.
Customization side bar appears, through which you can customize the story to your liking.
You can change the story tile shape by toggling their respective buttons.
You can change the video corner shape (toggle between rounded or squared buttons)
You can change the Primary and secondary theme colors, Primary theme color is the color of the heading, while the secondary theme color is the accent shadow color surrounding the videos.
You can change the primary font, which is the font of the the text which appears below the story.
You can change the vertical padding between the story app and other adjacent sections in your website by entering the desired padding value in the "Stories vertical padding" option.
You can change the size of the story tiles in different devices by dragging the bar or entering the desired percentage.
Note: after you customize the section to your requirements, please press the "Save" button on the top right side of the screen for the changes to be reflected.
