app.py

import streamlit as st


st.set_page_config(layout="wide")

st.markdown("""
<style>
.big-font {
    font-size:300px !important;
}
</style>
""", unsafe_allow_html=True)

st.title("ArxivTitlePicker")
st.write("This app helps define category of your scientific paper based on its name and abstract.")
name = st.text_input("Paste here name of your paper")
abstract = st.text_area("Paste here abstract of your paper")

if name != '':
    st.text("Your paper:\nName: " + name + '.\nAbstract: ' + abstract)

if st.button("Start processing"):
    if name == '':
        st.write('<p style="font-family:sans-serif; color:Red; font-size: 21px;">Please, provide name of the paper!🙇‍♂️</p>', unsafe_allow_html=True)