Customization of post-submit newsletter block

Site URL: https://www.bradmurphyforcongress.com

Is there anyway to customize the post submit messaging of a newsletter block? I am looking to change the color and size of the text and also add more padding around the text so that the block doesn't shrink down so much. See image below. This is what it looks like now. Would like the font to be white and bigger and for the image block it is on to be much bigger. Thanks! 

1 hour ago, JennWalker said:

Site URL: https://www.bradmurphyforcongress.com

Is there anyway to customize the post submit messaging of a newsletter block? I am looking to change the color and size of the text and also add more padding around the text so that the block doesn't shrink down so much. See image below. This is what it looks like now. Would like the font to be white and bigger and for the image block it is on to be much bigger. Thanks! 

Try 

.form-submission-text {
  color: #fff;
  font-size: 1.2rem;
}

Let me know how it works on your site

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My testing result

On 12/11/2021 at 9:21 PM, bangank36 said:

My testing result

Yes, that worked for the text, thank you! But he still wants the spacing to be larger above and below the text so the background image is the same size before and after you enter the email and submit. 

@JennWalker Try this CSS

/* submission height */
.form-submission-text {
    padding-top: 50px;
    padding-bottom: 50px;
}