window.addEventListener('DOMContentLoaded', (event) => {
buttonlist = document.querySelectorAll(".btn-danger")
buttonlist.forEach(el =>{el.classList.remove('btn-danger');el.classList.add('btn-primary');})
document.querySelector("#selectProducent").setAttribute("disabled", true);
const baner = document.querySelector("#header");
baner.style.backgroundSize = "cover";
baner.style.backgroundPosition = "right";
});