This code hides the site wide header and footer. Use this on landing pages that have custom headers and footers.

(Got code from: https://insidethesquare.co/squarespace-tutorials/hide-header-footer-squarespace

<style>
.header, #footer-sections {
display:none!important
}
</style>

This code will remove the link underline and create a smooth scroll effect.

(Got code from: https://insidethesquare.co/squarespace-tutorials/hide-header-footer-squarespace

<style>
a {
text-decoration:none!important
}
html {
scroll-behavior:smooth
}
</style>