app.py

import gradio as gr



def generate_emotion(sentences):
    result = "happy"
    return result

inputs=gr.Textbox(lines=5, label="Sentences",elem_id="inp_div")
outputs=gr.Textbox(lines=5, label="Here is the Result",elem_id="inp_div")

demo = gr.Interface(
    generate_emotion,
    inputs,
    outputs,
    title="Emotion Detection",
    description="Feel free to give your feedback", 
    css=".gradio-container {background-color: lightgray} #inp_div {background-color: [#7](https://www1.example.com/issues/7)FB3D5;"
)
demo.launch()