An administrator can modify the style or layout of the Astoria Landing Page by editing .css or .xhtm files in the Administration cabinet.
To customize the style of the Landing Page, edit the landingPage.css cascading style sheet in the CSS folder of the Administration cabinet.
To customize the layout of the Landing Page, make a copy of the landingPage.xhtm file from the Administration cabinet's Definitions/System/HTML Templates folder and paste it into the Definitions/User/HTML Templates folder, then edit the copy.