#step1,#step2,#step3,#step4,#step5,#step6,#step7,#step8,#step9,#step10,#step11 {
                display:none;
            }
            #backbtn { display: none }
            
 function apocalypse() {
  var x = document.getElementById("step1");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}

function apocalypse2() {
  var x = document.getElementById("step2");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}

function apocalypse3() {
  var x = document.getElementById("step3");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}

function apocalypse4() {
  var x = document.getElementById("step4");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}
/* 
function apocalypse5() {
  var x = document.getElementById("step5");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}

function apocalypse6() {
  var x = document.getElementById("step6");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}
function apocalypse7() {
  var x = document.getElementById("step7");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}
function apocalypse8() {
  var x = document.getElementById("step8");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}

function apocalypse9() {
  var x = document.getElementById("step9");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}
function apocalypse10() {
  var x = document.getElementById("step10");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}
function apocalypse11() {
  var x = document.getElementById("step11");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
} 
 */