how to change the border of this quantity selector

Store Design
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niceeee_0-1684121025722.png
niceeee_0-1684121025722.png848×564 160 KB

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or make it look like this

niceeee_0-1684121291491.png
niceeee_0-1684121291491.png355×137 1010 Bytes

url: https://makerlab-electronics-ph.myshopify.com/

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Hi @niceeee

I hope you are doing good and welcome to the Shopify Community!
I am San from MS Web Designer.

Please add this css in your bottom of the base.css file:
.quantity:after {box-shadow: none !important;border: 1px solid #6c6c6c !important; border-radius: 4px !important;}

Regards,

San