How can I adjust the size in the Down theme?

[Hudiano213]

Hello i want to ask how to change the size of this on down theme, thanks

[ZestardTech]

Hello There,

1. In your Shopify Admin go to online store > themes > actions > edit code
2. Find Asset > base.css and paste this at the bottom of the file:

.collection-hero__title {
font-size: 20px;
}