var bgColor = document.getElementById("bg-color")
                var txtColor = document.getElementById("text-color")
        
                bgColor.addEventListener("change", (event) => {
                    document.body.style.backgroundColor = bgColor.value
                })
        
                txtColor.addEventListener("change", (event) => {
                    document.body.style.color = txtColor.value
                })
        
                var btn = {
                    resetBgColor: () => {
                        document.body.style.backgroundColor = "white"
                        bgColor.value = "white"
                    },
                    resetTextColor: () => {
                        document.body.style.color = "black"
                        txtColor.value = "black"
                    }
                }