[Python] make colorfull checkmarks using input comment

i would like to make web page looks like this :let us check following image

let us suppose that user enters positive comment, than we should have green check mark, otherwise red check mark :here is my python code :

from flask import Flask,request,render_template
from nltk.sentiment.vader import SentimentIntensityAnalyzer
model =SentimentIntensityAnalyzer()
app =Flask(__name__)
@app.route('/')
def hello_comment():
return render_template('Select_comment.html')

@app.route('/',methods=['POST','GET'])
def read_comment():
comment =request.form['mycomment']

polarity_scores =model.polarity_scores(comment)
if polarity_scores['pos']>0.5:
text ='positive'
else:
text ='not positive'
return render_template('Select_comment.html',name=text)


if __name__=='__main__':
app.run(debug=True)


and correspondng html file :

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Select comment</title>
</head>
<body>
<h1> Write your comment here </h1>

<form action="/" method="post">
<input type="text" name="mycomment" id="comment">
<input type="submit" value="read_comment">
</form>
<p> your comment is {{ name }} </p>
</body>
</html>


now result of this is :

i need something like this, how can i make it ? thanks in advance

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