Virus Installer

function solve() {

    let clicks = 0;

    let cancelButton = document.getElementById("buttons").children[1];
    cancelButton.addEventListener("click", () => {
        document.querySelector("#exercise").style.display = "none";
        document.querySelector("#softUni-person-img").style.float = "right";
  });


  let nextButton = document.getElementById("buttons").children[0];
        nextButton.addEventListener("click", installingVirus);

            function installingVirus(){
                if(clicks == 0) {
                    document.querySelector("#content").style.backgroundImage = "none";
                    document.querySelector("#firstStep").style.display = "block";
                    clicks++;
                } else if(clicks == 1 && radioButtons[0].checked) {
                    document.querySelector("#firstStep").style.display = "none";
                    document.querySelector("#secondStep").style.display = "block";
                    nextButton.style.display="none";
                        setTimeout(() => {
                            nextButton.style.display = "inline-block";
                        }, 3000);
                    clicks++;
                } else if (clicks == 2) {
                    document.querySelector("#secondStep").style.display = "none";
                    document.querySelector("#thirdStep").style.display = "block";
                    nextButton.style.display = "none";
                    cancelButton.textContent = "Finish";
                }
            }

            let radioButtons = document.querySelectorAll("#firstStep input");
              radioButtons[0].addEventListener("click", () => {
                    radioButtons[0].checked = true;
                    radioButtons[1].checked = false;
              });

              radioButtons[1].addEventListener("click", () => {
                radioButtons[0].checked = false;
                radioButtons[1].checked = true;
          });




}