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Custom Streamlit Background Image/Color Gradient through CSS
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- Опубліковано 17 сер 2024
- You can change the @streamlitofficial background color using Streamlit theming, but how do you go putting a color gradient or an external image?
In this video, I show you how to use the CSS Markdown Trick to inject your own custom background. I will first use the st.markdown(..., unsafe_allow_html=True) method to inject a CSS Gradient Color pattern, and show you problems you'll have if you try to further edit it.
I then proceed to load an image from an URL to Streamlit's background.
Finally, I fail to load a local image as a Streamlit background using an URL, and instead inject the image to CSS as a base64 encoded text.
I conclude by adding some CSS background properties to reposition, resize and have the background image scroll with the app.
This gives you the necessary tools to customize your Streamlit app background to your heart’s desire through CSS.
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00:00 Context
00:22 CSS Pattern
01:38 Background Image on the net
02:30 Local background image
04:14 Resize, reposition, scrollable image
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This is so cool! Hope they add new features that will support these methods natively.
Hey June!
Wait & See ... maybe enabling CSS parsing for backgroundColor in the config file for theming could already help.
I think this is the kind of feature that needs activity in this issue (github.com/streamlit/streamlit/issues/2725 ) to be considered
That is super useful! Thank you!
The best channel for streamlit!
Thanks for the support 🙏 see you on the next video!
amazing joke " Oh no, not CSS" . Got me laughing for a while on this! Great content keep going , this chanel is really awesome.
Glad you enjoyed it, thanks for the support ! I will keep going and hope to see you around :)
This is so helpful really solved my problem of adding background to streamlit.. Thank you !!!
Glad it helped! Thanks for watching :)
Oh no css I cried, but now I'm jumping happily through the grass.
It's 3 in the morning here and every time I put on streamlit I get fanilo hahahaha. Thanks for the videos bro!
😆 Aren't my videos too "exciting" to get you to sleep?! Thanks for the support as always, very appreciated :) also there's a new one coming tomorrow eheh
@@andfanilo Very good videos, I was just looking at the backgrounds and how to make something more personalized, thanks man
exactly what I was looking for! Thanks a lot!
Awesome! What background are you planning to put :D ?
Fantastic work, very inspiring! Thank you !!
Thanks for your support, much appreciated 😊
Great content as usual 👏🏻👏🏻
Thanks for the endless support! Hope you are enjoying summer :)
❣awesome video - super useful.. lots of info packed into 5 min
Thanks for the support! You should be enjoying your summer break though!!
amazing!!! you just saved me a lot of hours!!! 👏
Good video
Thanks for watching :)
You need to explain in detail.
Hello, you'll have to be more precise on what part you need more detail, otherwise no one can help you ^^"
Funny presentation and amazing content. A bit too fast for me with all the code in the background (but need to learn to use the k key)
Anyways, one thing I have not understood.
So, normally one needs to put the image in the correct static folder. Seems normal and easy.
You say you want to use a markdown as text (image -> text encoding). Fair enoug, but where do you put the image file?
I did not get it.
Hello!
As per the source code ( github.com/andfanilo/social-media-tutorials/blob/master/20220817-streamlit_css_background/streamlit_app.py ) you can put the image wherever you want, since you are going to read the image in your Python code and encode it as base64 programmatically ( with the `get_img_as_base64("image.jpg")` line, if you put the image in an "assets' folder it will be `get_img_as_base64("assets/image.jpg")`)
This video being a little old, there is now a better way to do with static file serving ( docs.streamlit.io/library/advanced-features/static-file-serving ).
1. You enable static file serving through `.streamlit/config.toml` adding:
```
[server]
enableStaticServing = true
```
2. you put your image in `static` folder at the root of your project, it should now be served at the `localhost:8501/app/static/image.jpg` link
3. In your st.markdown code, you can point directly to the image url instead of using the base64 representation:
```
import streamlit as st
page_bg_img = f"""
[data-testid="stAppViewContainer"] > .main {{
background-image: url("app/static/image.jpg");
}}
"""
st.markdown(page_bg_img, unsafe_allow_html=True)
```
Good luck!
@@andfanilo Thank you !!!! :))
That is super useful broo! Thank you!
Happy to help :) thanks for the support!
Thanks, this helped out a lot!
Glad to hear, looking forward to your app!
hi sensei, first things first thk for the video so i can learn how to customize background on streamlit using css, but i got 1 tiny problem, which is the photo form url is not in the streamlit background, how to fix it sensei🙏🙏
Good work. Again !
Thank you for following and your support :) very appreciated
really helpful. How can we change the background color of an ?. I have been really struggling with that
thank you sir
Thanks for watching :) see you on the next one
Great Work!
Thank you, looking forward to Streamlit with background image apps from you :)
Thank u so much🙏🏻
You're welcome 😊 happy Streamlitin'!
Thank you very much❤
But when I change background, my app is running slow
Hey, that's odd..is your image heavy, like a high resolution PNG?
thanks for the video. I want to change the background color of only one column/container and tried the code below but it changes the color of all of the columns/containers. How can I handle it?
columns(2)
with cols [0]:
page_bg_img = """
[data-testid="column"] {
background-color: black;
}
"""
st.markdown(page_bg_img,unsafe_allow_html=True)
Hey! It's a bit of a pain but discuss.streamlit.io/t/changing-color-of-a-column/10175/3 or ua-cam.com/video/SLyS0v8br20/v-deo.html should help
I haven't tried but extras.streamlit.app/Styleable%20Container on a specific column css may do the trick too
Hope this help quickstart something!
Fanilo
Thank you!
your videos are awasome
Thanks for the feedback, hope to keep seeing you around!
What images are you putting in Streamlit background :) ?
@@andfanilo I gave up when I saw hoe hard it is haha
Can I ask something: streamlit cloud accept an archive pickle ?
@@lucasfescina From memory anything stored in the Github repo is available in the deployed app. As long as the pickle is not too big and stored in Github it should be fine.
You can also download it from some remote Google drive location and cache it after deserializing.
Love it
Thanks :D
thank you!
You're welcome! Hope to keep seeing you around :)
Awesome
Looking forward to your masterpiece 🙂
super ta vidéo
Merci pour le soutien 😁
I am Brazilian, is it possible integrate statsmodel with streamlit?
Hello,
Yes, Streamlit is really only providing a web app layer over a Python script, so statsmodel would still work the same
Have a nice day!
Thanks Fanilo Andriannasolo
Thanks for watching and for your support :) happy Streamlitin' !
King!
Thanks for watching, looking forward to the background image you will choose !
Genius
Thanks for watching, looking forward to seeing your app with a stylish background!
tks for the video, I have a problem, when I try to add a local background image with the base64 method, the "No such file or directory: 'image.jpg' " error appears. I have the image in the same folder where I have the .py file, that is correct? I really appreciate your help
Hello Vladimir!
It will depend on the working directory, which is from where you are running the streamlit command. If you are running from a different folder than where the script is, then the relative path will start from the initial folder, not the script's one. Same issue if you are running a multipage app, the folder for the relative pathing would not be your script but the root main script.
Don't hesitate to run "st.write(os.getcwd())" to see where you are running this from, and "st.write(os.listdir("./"))" to see if your image.jpg is in this list, and if that's not the case you may need to change "image.jpg" to "../image.jpg" or "folder/image.jpg" to traverse your directory.
Or not totally tested but the __file__ variable returns the location of the file so using pathlib you could do "(Path(__file__).resolve().parent / "image.jpg"" to go from your script to the script's folder to the image.jpg next to the script.
Hope this helps
Fanilo
@@andfanilo Hey Fanilo ! I ran " st.write(os.listdir("./")) " and found my image in the list. But still couldn't find my background image in my website. Could You please help ?
Thank You
Sahitya
@@sahitya2042did u get it if so kindly help me to make it done even I am facing the same issue
can i know from where u had learn this??
Hey! Hmmm, from experience in building HTML/CSS frontends and a bit of forum reading discuss.streamlit.io/
Hey Fanilo, This is not working for me when I test on my local machine. Can you advise? @st.cache_data
def get_img_as_base64(file):
with open(file, "rb") as f:
data = f.read()
return base64.b64encode(data).decode()
img = get_img_as_base64("./images/DeltaPacific_Logo.jpg")
[data-testid="stSidebar"] > div:first-child {{
background-image: url("data:image/jpg;base64,{img}");
background-size: 200px;
background-repeat: no-repeat;
background-position: center;
}}
Thank you in advance
Tsy nampoiziko ity chaine ity hoe gasy, mafinaritra!
Aty Madagascar ve enao?
thankssss
Your welcome =) what background are you trying to put?
Hi bro . I need ur help . I want to prevent my app from screen capture and screenshots . Is there any html/css markdown code for it ??
Hey! No I don't think so, screen capture is system level so no app could have access to those to prevent it :/ what are you trying to achieve?
@@andfanilo yeah . There are some websites that prevents recording such as spot player and netflix-us
I mean, I could still capture the live video/audio feed with OBS for example, so even if you can prevent it at browser-level, I can capture the live feed.
But I think I understand, there are ways to make it harder from stackoverflow.com/questions/9756837/prevent-html5-video-from-being-downloaded-right-click-saved . Apparently by adding 'oncontextmenu="return false;"' to any video element it would be doable. Using the technique described here (ua-cam.com/video/SLyS0v8br20/v-deo.html) to leave the component , target all video elements and apply that contextmenu, yeah it could work.
I haven't tried since I'm actually on a summer break :) but let me know if that helps a bit
haha I like your voice, so impressive and attractive
Thank you for the compliment, have a nice day!
Bro when you are explaining , please say it completely and clearly please. Most of people in streamlit community wants colour-gradient i their code , and you just said do this ....etc. Everything is in a big hurry. Please bro , youtube time limit is 10 or 12 mins right? So please , say things slowly and clearly . So that any beginner who watches your video can learn.
Clearly I am confused. Your gradient method isnt working in my code. I wrote the complete argument too. See? this is what i meant by not understanding bro. I'm not hating on you. But people came to see your video , watching yo thumbnail about some basic css styling and you explained everything in a jiffy.
Dude you miss the whole point while trying so hard to be funny the worst presentation ever
Too bad 🙂 have a nice day!
bad