How to Eliminate Square Button Borders for Rounded Buttons in a Shopify App

[abmeyer1987]

I would like to eliminate the tan square borders on the rounded buttons for my "Track Your Order" page, which is powered by the Track 123 app in Shopify. I attached a picture below for reference. My website url is americanessiactea.com and I'm using the Dawn theme.

[AnneLuo · Accepted solution]

You can try this code by following these steps:
Step 1: Go to the online store ->Theme ->Edit Code.
Step 2: Find the theme.liquid file and add the following code before the </head> tag

<style>
button#track123_submit_button:after {
  box-shadow: unset !important;
}
</style>

Result:

Hopefully it will help you. If yes then Please don't forget hit Like and Mark it as solution!