change quantity and select size button width 7.1

Site URL: https://www.wearesamudra.com/shop

Hi, I want to change the width of the select size button, and the quantity button so that they are the same size as the add to cart button...can anyone help please?

What is access password?

hello123

Add to Home > Design > Custom CSS

@media screen and (min-width:768px) {
.ProductItem-details .product-variants {
    width: 30% !important;
}
}