# HTML Forms by building a Registration Form 41

**URL:** <https://group.classcentral.com/t/html-forms-by-building-a-registration-form-41/22353>\
**Category:** Web Development Bootcamp\
**Created:** [January 17, 2022, 2:26am UTC](https://group.classcentral.com/t/html-forms-by-building-a-registration-form-41/22353 "2022-01-17T02:26:33Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![mohamedshuaib2495375](https://avatars.discourse-cdn.com/v4/letter/m/9de0a6/32.png) [@mohamedshuaib2495375](https://group.classcentral.com/u/mohamedshuaib2495375)\
**Post date:** [January 17, 2022, 2:26am UTC](https://group.classcentral.com/t/html-forms-by-building-a-registration-form-41/22353/1 "2022-01-17T02:26:33Z")

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Please me out, I cannot complete this level

 ![freecodecamp](https://us1.discourse-cdn.com/flex016/uploads/ccstudygroup/original/2X/f/f37a755cdbc7a9b2df2bae60fdca0f44d13167f6.jpeg)

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**Author:** ![kuska](https://sea2.discourse-cdn.com/flex016/user_avatar/group.classcentral.com/kuska/32/4238_2.png) [@kuska](https://group.classcentral.com/u/kuska)\
**Post date:** [January 17, 2022, 7:07am UTC](https://group.classcentral.com/t/html-forms-by-building-a-registration-form-41/22353/2 "2022-01-17T07:07:09Z")

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```auto
fieldset:not(:last-of-type) {border-bottom: ... }

```

Just one pair of {}

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**Author:** ![nounyahjoshua2685557](https://avatars.discourse-cdn.com/v4/letter/n/47e85d/32.png) [@nounyahjoshua2685557](https://group.classcentral.com/u/nounyahjoshua2685557)\
**Post date:** [January 19, 2022, 1:57pm UTC](https://group.classcentral.com/t/html-forms-by-building-a-registration-form-41/22353/3 "2022-01-19T13:57:36Z")

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Please what is the concept of the “em” and “rem” when we’re doing width and margins?  
I looked it up but it’s still a little unclear

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**Author:** ![kuska](https://sea2.discourse-cdn.com/flex016/user_avatar/group.classcentral.com/kuska/32/4238_2.png) [@kuska](https://group.classcentral.com/u/kuska)\
**Post date:** [January 24, 2022, 7:54am UTC](https://group.classcentral.com/t/html-forms-by-building-a-registration-form-41/22353/4 "2022-01-24T07:54:40Z")

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It’s like pixels. It’s a measurement, just different. Pixels are fixed and never changing. When you have em it just calculates the size related to the font you set for the parent element. With rem is the same only it goes up to your html element - not just the nearest parent.  
So if your font is 20px and you’ve got 2em that means the size of your em will be 40.

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**Author:** ![nounyahjoshua2685557](https://avatars.discourse-cdn.com/v4/letter/n/47e85d/32.png) [@nounyahjoshua2685557](https://group.classcentral.com/u/nounyahjoshua2685557)\
**Post date:** [February 8, 2022, 3:32am UTC](https://group.classcentral.com/t/html-forms-by-building-a-registration-form-41/22353/5 "2022-02-08T03:32:22Z")

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thanks a lot kuska…it’s clearer now