Why does my product video shrink on the product page?

Topic summary

A user is experiencing a video sizing issue on their product page. When the product video plays, it unexpectedly shrinks and displays much smaller than intended.

Problem Details:

  • The glitch began after adding a product video
  • Reference images were provided showing the before/after states
  • The issue appears to be CSS-related

Proposed Solution:
A community member suggested a CSS fix:

  • Navigate to: Online Store → Theme → Edit code
  • Locate the base.css file
  • Add the following CSS rule:
.product-video {
  max-height: 100% !important;
}

The discussion remains open as the original poster has not yet confirmed whether this solution resolved the issue.

Summarized with AI on November 17. AI used: claude-sonnet-4-5-20250929.

Since i added a product video on my product page it started glitching. When the video plays it decreases in size and will be shown very small. How could i fix this problem?

see photos for a refference:

website: www.fluffswiper.com

Hello @Alex365 ,

Follow these steps:

  1. Go to Online Store → Theme → Edit code

  2. Open your base.css file and paste the following code below:

.product video {
    max-height: 100% !important;
}

Thanks

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