leftcontent

#leftcontent {
  position: absolute;
  left:1%;
  width:20%;
  top:50px;
  background:#fff;
}

text

text

text

text

centerleftcontent

#centerleftcontent {
  position: absolute;
  left:22%;
  width:28%;
  top:50px;
  background:#fff;
}

text

text

text

text

centerrightcontent

#centerrightcontent {
  position: absolute;
  left:51%;
  width:28%;
  top:50px;
  background:#fff;
}

altri link:
aaa
bbb
ccc
ddd

rightcontent

#rightcontent {
  position: absolute;
  left:80%;
  width:19%;
  top:50px;
  background:#fff;
}

last