# \[Solved\] Where is the option fill container?

**URL:** https://community.thunkable.com/t/solved-where-is-the-option-fill-container/2611249
**Category:** Questions about Thunkable X
**Tags:** solved, beginner
**Created:** [September 24, 2023, 4:05pm UTC](https://community.thunkable.com/t/solved-where-is-the-option-fill-container/2611249 "2023-09-24T16:05:20Z")
**Posts on this page:** 1
**Showing post:** 9

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### Author: ![matt\_conroy](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/matt_conroy/32/150843_2.png) [@matt\_conroy](https://community.thunkable.com/u/matt_conroy)
#### Post date: [September 25, 2023, 4:55pm UTC](https://community.thunkable.com/t/solved-where-is-the-option-fill-container/2611249/9 "2023-09-25T16:55:59Z")

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The Layout component itself will have to be set in pixels. I can say from experience using it on a larger device (iPhone 12 Pro Max) that it generally creates a nice UI across all devices.

As @domhnallohanlon mentioned above, if you’re working on queries for larger devices (i.e. tablets), using the blocks to help you dynamically change the scale is a great solution.

It’s a bit dated but there are some good examples of doing that there in this thread:

> [@iPad/Tablet version, landscape modality... is possible?](https://community.thunkable.com/t/ipad-tablet-version-landscape-modality-is-possible/1276881/6):
>
> If you just want to change size based on screen dimensions, you can do that with blocks. In the device drawer, see ‘screen width’ and ‘screen height’. Some basic logic and math lets you implement the bootstrap container behavior you described. Here’s some code I used to deal with different screen widths/heights/proportions.

I’ll also use this as a moment to get on my soapbox and advocate for mobile first design approach, designing for your normal “mobile” screen size first and then using the blocks to create media queries for larger devices.

> **[What is Mobile First Design? Why It’s Important & How To Make It?](https://medium.com/@Vincentxia77/what-is-mobile-first-design-why-its-important-how-to-make-it-7d3cf2e29d00)**
>
> On the Mobile World Congress in 2010, Eric Schmidt, the CEO of Google put forward that designers should follow the “mobile first” rule in…

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