div and button link to the CSS and Javascript Same time – Jquery
start_btn.onclick = () => { info_box.classList.add("activeInfo"); }; .btn-12 { align-items: center; position: relative; right: 30%; bottom: 200px; border: none; box-shadow: none; line-height: 42px; -webkit-perspective: 230px; perspective: 230px; } .btn-12 span { background: rgb(0, 172, 238); background: linear-gradient(0deg, rgba(0, 172, 238,…