#imagencabecera {
  border:0px;
}

/*#piedepagina {
  clear: both; 
  display: block; 
  margin-left:150px;
  width: 750px;
  width:543px;
  color:green;
  
}*/

/*#validaciones {
  float:left;
  clear:right;

}*/

.validacion {
  border:0px;
}