* {
    box-sizing: border-box;
}

body{
  font-family: Tahoma, Arial, sans-serif;;
  font-size: 14pt;
  font-weight: normal;
  text-align: left;
}

h1{
    font-family: "Lucida Sans", sans-serif;
    font-size: 25pt;
    font-weight: bold;
    text-align: left;
}

h2{
    font-family: "Lucida Sans", sans-serif;
    font-size: 20pt;
    font-weight: normal;
    text-align: left;
}

li{
  font-size: 18pt;
  font-family: Tahoma, Arial, sans-serif;
  text-align: left;
}

.wert{
  font-family: "MS Sans Serif", sans-serif;
  font-size: 16pt;
}

p{
  font-size: 14pt;
  font-family: Tahoma, Arial, sans-serif;
  text-align: left;
}


.header {
  border: 1px solid red;
}
 .row {
    width: 100%;
  }
  .links {
    width: 20%;
    float: left;
    text-align: right;
   }

  .mitte {
    width: 60%;
    float: left;
    text-align: center;
  }

  .rechts {
    width: 20%;
    float: left;
    text-align: left;
  }