Create Landing Page (Remove Header / Footer per page )

You need to find the Page id of the page you want to remove the Header and footer . Here is how to find it: http://quadroideas.com/find-page-id-wordpress/ .

Also see: https://support.woothemes.com/hc/en-us/articles/203105957-Customizing-your-theme-with-Firebug

Add this into the Custom CSS box located in your Salient Options panel:

For header:

.page-id-645 #header-space , .page-id-645 #header-outer {

display:none;

}

For Secondary Header:

.page-id-645 #header-secondary-outer {
    display: none;
}

For Footer:

.page-id-645 #footer-outer{

display:none;

}