Customize Twenty twelve theme naviagation

Hello, I need the following customization of the current navigation menu of the twenty twelve wordpress theme for the website www.vonneshomestyling.nl. New navigation menu should be fully controllable via CSS. Instructions on how to change the navigation CSS should be provided behind the CSS code as well /* like this*/ Specifications of CSS to be changed (see also attached drawing): Main navigation main menu's: Background colour = #584B44 Control style, colour and size of tekst Change Home to Vonne's Homestyling and make Vonne's Homestyling > Algemeen the Homepage (see drawing) Sub-navigation menu: Make Sub-menu that is allways visible ( it now dissapears after selection) Change alignment of submenu items to left side (like main menu) Highlight text when hovering (colour red) Highlight text of selected submenu item when selected (make bold) Background colour = #008C9D of the total width like the main menu I want to Control style, colour (#584B44) and size of tekst: please add example css I want to Controll distance between submenu items: please add example css Ad submenu items under Home