You can easily manage a map style using GMaps.js:
var styles = [
{
featureType: "road",
elementType: "geometry",
stylers: [
{ lightness: 100 },
{ visibility: "simplified" }
]
}, {
...
}
];
map.addStyle({
styledMapName:"Styled Map",
styles: styles,
mapTypeId: "map_style"
});
map.setStyle("map_style");
Note: You can choose different styles and associate the styled map with the MapTypeId and set it to display.