Specify sidebar width

Using Streamlit
6

You could try using custom CSS for sure.

Be mindful that the structure of the HTML or the class names can change at any time so the following method might not work in the future.

import streamlit as st

# Inject custom CSS to set the width of the sidebar
st.markdown(
    """
    <style>
        section[data-testid="stSidebar"] {
            width: 500px !important; # Set the width to your desired value
        }
    </style>
    """,
    unsafe_allow_html=True,
)

# Example sidebar content
st.sidebar.header("This is the sidebar")
st.sidebar.text("This is some text in the sidebar")

# Example main content
st.header("This is the Main Content Area")
st.text("This is some text in the main content area")
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