How can I modify the Dawn theme margins for a wider homepage view?

Store Design
1

Can someone please assist where to find or where add the code to change the margins for the home page to be larger. Right now they’re too narrow and i’d like for them to widen a bit for desktop / full screen view.

Please the link below:

Link: https://i-am-woman-sa.myshopify.com/?_ab=0&_fd=0&_sc=1

Any help on what cod e to use will be greatly appreciated.

2

Use this code in theme.css

.page-width {
    max-width: 1400px;
}