body, html {
    height: 100%;
    width: 100%;
    margin: 0px;
    padding: 0px;
}

header, footer {
  display: block;
  min-height: 10%;
  background: #CC6;
  font-family: Verdana, serif;
	font-size: 40px;
	color: red;
	font-weight: bolder;
	text-align: center;
	line-height: 2;
}

section {
    background: #CCC;
    display: block;
    font-family: Tahoma, Courier, Serif;
    vertical-align: center;
    padding-left: 80px;
    padding-top: 10px;
}


#tabla {
  border : 5px;
  border-style: solid;
  border-color: green;
  background-color: red;
}

#tabla #cabecera{
  border-bottom: 1px;
  border-style: solid;
  border-color: green;
  border-right: 1px;
}