body {
  background-image: url(nuolet.png);
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-attachment: fixed;
  counter-reset: otsikko;
}

#yla, #keski, #ala {
  font-size: 1.4em;
}

h1 {
  z-index: 2;
  text-transform: uppercase;
  font-family: Arial, sans-serif;
  font-size: 1.1em;
  position: absolute;
  top: 42%;
  width: 40%;
  height: 5em;
  margin: 0;
  padding: 0;
  margin-left: 30%;
  margin-right: 30%;
  text-align: center;
  background-color: #FF4D3F;
  color: white;
  vertical-align: middle;
  line-height: 5em;
}


div#yla {
  z-index: 1;
  position: absolute;  
  top: 20%;
  margin: 0;
  padding: 0;
  width: 98%;
}

div#vasen {
  position: absolute;
  left: 15%;
}


div#oikea {
  position: absolute;
  left: 65%;
}

div#ala {
  position: absolute;
  top: 60%;
  left: 30%;
  margin: 0;
  padding: 0;
  margin-left: auto;
  margin-right: auto;

}

ol {
  list-style-type: upper-roman;
  font-weight: bolder;
}

li:first-letter {
  font-size: 1.4em;
  text-transform: uppercase;
}

h2 {
  text-transform: uppercase;
}

h2:before {
  content: counter(otsikko) ". ";
  counter-increment: otsikko;
}