CSS for the position absolute article

position-absolute.css

html, body{
  margin: 0;
  padding: 0;
}

#dialog {
  width: auto;
  top: 50px;
  left: 50px;
  right: 50px;
  bottom: 50px;
}

#dialog, #navegacao, #cabecalho,
#conteudo, #rodape {
  box-sizing: border-box;
  position: absolute;
  border: 1px solid black;
}

#navegacao {
  width: 150px;
  top: 0;
  bottom: 0;
  background-color: #FDC846;  
}

#cabecalho, #rodape, #conteudo {
  left: 150px;
  right: 0;  
}

#cabecalho {
  height: 50px;
  background-color: #7A7EFF;  
}

#rodape {
  bottom: 0;
  height: 100px;
  background-color: #FB7F76;  
}

#conteudo {
  bottom: 100px;
  top: 50px;
  background-color: #A9A9A9;  
}