CSS Units of Measurement [rem, em, vw, vh, px, %]

There are about 15 CSS units of measurement compatible with most browsers. We are going to cover all of the ones that you will use in real life. We'll cover absolute units like pixels (px) and relative units like percent (%), viewport width (vw), viewport height (vh), and the ones that I get the most questions about, rem and em. I'll clearly explain how they work and when you should and should not use them.
There is a CSS unit that I left out of the video, and that is fractional units (fr). These are specific to CSS Grid. I have a video on that subject that goes into detail on fr units.
Learn CSS Grid in 20 Minutes (2019)
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[@codeSTACKr]

Thanks for all of the support!!
Next up Learn Sass in 30 Minutes:
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[@bud384]

# rem
5:49 => 1 rem (default font size of most browsers is 16px);
6:31, 6:41 => change the default html font size to 10px (better to set it in rem);
8:37 => rem is accessibility friendly;
9:00 => the reason why it is accessibility friendly;
# em
8:06 => relative to the font size of the element (the more nested, the crazier it would be);

[@nhojdrawdecabrera4936]

this tutorial is informative to me now that I understand the importance of rem than using em or px thank you :)

[@martian7913]

Your tutorials are very informative and helpful. Keep up great work!

[@hospitaller100]

This video deserves more viewers! Thanks a lot!

[@codeSTACKr]

Thank you!

thank you very much, I've been a full stack dev since long time ago, but I used to get confused with rem, em, vw, vh, thanks for this video.

[@umershabir_]

what should i say to this man? you made my learning so much simpler i have a lot of prayers for you, may god help you in your difficulties, as you are doing in us,

[@codeSTACKr]

Thank you!

[@superitboss]

Thank you so much, very easy to understand. If I watched this before, I wouldn't confuse about difference between percentage and vh vw on the test in class.

[@yasmeinSalem44]

i think this is the most video which deserve a big big big like, thank u so much

[@Moe.firouzabadi]

Thank you ! I Whenever I get stuck in something, I know it's always the basics!

[@chinonsoviktor7777]

I just get to know about your channel and I found it interesting and amazing....thanks for all the good works. Am going to watch most of your videos and equally like them. I wish I can get in touch with you.

[@codeSTACKr]

Thank you! Hit me up on Instagram.

[@TomHerriman]

Excellent explanation and demonstration!

[@dobromirdobrev4692]

Very helpful for people who want a clear and concise explanation about the Units of Measurement. Thank you!

[@codeSTACKr]

Glad it was helpful!

[@Lostpanda123]

You are a great teacher. Thank you a lot! You should know that you may actually change others life with these videos!

[@codeSTACKr]

Wow, thank you!

[@rhkina]

Great tutorial! Thank you!

[@petitcez3719]

I just discover you channel and you are great, keep it up, you rock ! and of course thank you !

[@codeSTACKr]

Thank you!

[@hassanlearning4086]

I find helpful concise and easy to understand. Thank you

[@JL-ky5ev]

best explanation of units in youtube,thanks

[@codeSTACKr]

Wow, thanks!

[@khalidkhabouz]

Thank you so much, clean stuff

[@thelonercoder5816]

This was the greatest explanation of units i've ever watched lol.

[@ProgrammingwithPeter]

Your explanations are so good ! Good job!

[@silversolver7809]

I agree, very well done, thank you!

[@codeSTACKr]

Thank you!

[@Fcycfvyvvyvtfutg]

Adore your videos. Thanks so much!

[@DavidJimenez-vm2ug]

dude literally perfect
subbing

[@naimurrahman3313]

best tutorial ever. thank you very much

[@aebek1413]

thanks bro ,now i understand the use of rem well.

[@imadabab]

Excellent tutorial. Thanks a lot.

[@codeSTACKr]

Glad it was helpful!

[@benkuhn8441]

Thanks so much - I finally understood the difference now!

[@codeSTACKr]

Glad it helped!

[@azurintegrated5474]

Units of measurement made easy to understand. Great work 👍

[@codeSTACKr]

Thanks 👍

[@chicoselfie1602]

Thank you! You're awesome!

[@sammclaren6965]

Well done! Thnx

[@sarojsuraweera7134]

Informative and Concise. thanks

[@codeSTACKr]

Glad it was helpful!

[@tong4624]

Kandungan video sangat baik, tahniah

[@najimali32]

That's beautifully explains.

[@codeSTACKr]

Glad it was helpful!

[@argenisaguilar9045]

great explanation, thanks so much..

[@codeSTACKr]

Glad it was helpful!

[@MuhammadUmair001]

great explanation

[@rimatadevosyan692]

Thank u so much!

[@benmbarekmarouane8676]

You are the best, thank you

[@ihorv44]

a lot of thanks for the helpful video

[@codeSTACKr]

Glad it was helpful!

[@fabioaguiarBR]

Tks a lot!

[@l3aIIin23]

Thanks!

[@ahseneremmouche9600]

Thank you very much.

[@kofukouna1011]

I would like this video twice or more if CZcams has the option for it!

[@jackiemasek8302]

That’s just great. Is that really your intro-music? I’m going to have nightmares now, you know. 🤣

[@benyaminyakobi3652]

Thank you!!

[@codeSTACKr]

You're welcome!

[@mithunbarua7537]

Thanks bro

[@nawets1302]

Thank you!

[@codeSTACKr]

You're welcome!

[@forhadrh]

I don't know what I have understood or not but I learned ... I have to use - REM! :)

[@abdurrahman_a]

Thank You

[@codeSTACKr]

You're welcome

[@RJ-dz1hu]

Thank you

[@codeSTACKr]

You're welcome

[@mithunbarua1486]

thank you

[@codeSTACKr]

You're welcome

[@jairai2739]

I'm backend dev, and your videos helping a lot to learn this new world front-end, thx a lot man, any chances to make a video with Vue.js?

[@codeSTACKr]

I'm currently working on React videos. After that will be Vue 😁

[@MrJettann]

Hey, awesome explanation bro! What do you think about using html font size = 62,5% and then use rem?)

[@dgdanielguzman3]

Thank you so much for the video! This was really helpful! One question- at 3:43 in the video you mention that the Div with a width of 50% looks smaller due to padding and margin. I tried looking it up on developer tools and couldn’t find the padding or margin listed. Did you mean the padding/margin from the body? Was the margin from the body affecting the size of the Div since it was the parent element?

[@user-bc9kk3kb8u]

「もっと多くの人が必要なので、このビデオをもっと

[@ianhnizdo4787]

Very helpful. One question I did have though is that HTML is default 16px font size yet when you redefine the html font size in pixels you cannot further alter it in the browser. I'm a bit confused at that.

[@FrankSmith-eh3pi]

Till now I was blindly using em and rem😬

[@flower7695]

Hey! I pretty much understood everything, but I was wondering... if rem is better for accessibility in general, why do professional pages still use px in most cases? I just checked the inspector on several pages and found that they use a lot of em and px

[@PersonalXZ]

Is a 600 dpi image 600pt/72 of 1in or 600px/96th of 1in ?

[@DenisK-to8lf]

Sanks

[@nikolyaishirov5377]

Anda boleh memilih untuk salah satu daripada hadiah di atas

[@lawrencetian2556]

くさんありますありがとうございます」、

[@duykhanhang2940]

the video image is too poor, you need to fix it more

[@user-do6jb6gz2o]

you need to clarify the content

[@FF-ie6sd]

Could you please remove the beginning music ? Great content but the music is really really really really really not necessary.

[@elilumilay9405]

That is his signature opening for his tutorials just like Brad Traversy and other youtubers. Don't just tell him what to do because its his own youtube videos :)

[@sumitsahu2051]

get more knowledge in less time.