add a thin grey line underneath 'icon with text' on product page

[ads18922]

hello, i currently have a thin grey underneath my price, followed by an 'icon with text'. I would like to add the exact same grey line underneath my 'icon with text'

this is my website, i would like it to look something like this:

where there is the same grey line underneath the text

my website is www.antico-abito.com , theme is dawn , password chasha

[BiDeal-Discount]

Hi @ads18922 

let try to add custom css below:

.price--on-sale .price-item--regular {
  text-decoration-thickness: 0.5px;
}