This works
import streamlit as st
t = st.radio("Toggle to see font change", [True, False])
if t:
st.markdown(
"""
<style>
@font-face {
font-family: 'Tangerine';
font-style: normal;
font-weight: 400;
src: url(https://fonts.gstatic.com/s/tangerine/v12/IurY6Y5j_oScZZow4VOxCZZM.woff2) format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
html, body, [class*="css"] {
font-family: 'Tangerine';
font-size: 48px;
}
</style>
""",
unsafe_allow_html=True,
)
"# Hello"
"""This font will look different, based on your choice of radio button"""
Best,
Randy