limepot-xyz/public/scripts/galactic-font.js

function toggleTheme() { 
    // Obtains an array of all <link> 
    // elements. 
    // Select your element using indexing. 
    if (document.getElementById("body").style.fontFamily !== "standardGalactic") {
        document.getElementById("body").style.fontFamily = "standardGalactic";
    }
    else {
        document.getElementById("body").style.fontFamily = "system-ui, sans-serif";
    }
}