function CS_gross () {
  for (var i = 0; i < document.getElementsByTagName("p").length; i++) {
    document.getElementsByTagName("p")[i].style.fontSize = "1.2em";
  }
   for (var i = 0; i < document.getElementsByTagName("a").length; i++) {
    document.getElementsByTagName("a")[i].style.fontSize = "1.2em";
  }
  for (var i = 0; i < document.getElementsByTagName("h1").length; i++) {
    document.getElementsByTagName("h1")[i].style.fontSize = "1.2em";
  }
    for (var i = 0; i < document.getElementsByTagName("td").length; i++) {
    document.getElementsByTagName("td")[i].style.fontSize = "1.2em";
  }
}


function CS_mittel () {
  for (var i = 0; i < document.getElementsByTagName("p").length; i++) {
    document.getElementsByTagName("p")[i].style.fontSize = "1.1em";
  }
     for (var i = 0; i < document.getElementsByTagName("a").length; i++) {
    document.getElementsByTagName("a")[i].style.fontSize = "1.1em";
  }
  for (var i = 0; i < document.getElementsByTagName("h1").length; i++) {
    document.getElementsByTagName("h1")[i].style.fontSize = "1.1em";
  }
      for (var i = 0; i < document.getElementsByTagName("td").length; i++) {
    document.getElementsByTagName("td")[i].style.fontSize = "1.1em";
  }
}

function CS_normal () {
  for (var i = 0; i < document.getElementsByTagName("p").length; i++) {
    document.getElementsByTagName("p")[i].style.fontSize = "1em";
  }
     for (var i = 0; i < document.getElementsByTagName("a").length; i++) {
    document.getElementsByTagName("a")[i].style.fontSize = "1em";
  }
  for (var i = 0; i < document.getElementsByTagName("h1").length; i++) {
    document.getElementsByTagName("h1")[i].style.fontSize = "1em";
  }
      for (var i = 0; i < document.getElementsByTagName("td").length; i++) {
    document.getElementsByTagName("td")[i].style.fontSize = "1em";
  }
}