Hello @NikosBat
Go to online store ----> themes ----> actions ----> edit code ---->base.css
add this code at the end of the file and save.
@media screen and (max-width: 749px) {
.h4.inline-richtext {
font-size: 9px !important;
}
}
result
If this was helpful, hit the like button and accept the solution.
Thanks