Linea de declaración

<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Documento HTML</title>
<script src="https://cdn.jsdelivr.net/npm/ol@v9.1.0/dist/ol.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@v9.1.0/ol.css"/>
<style>
  html,
  body {
      margin: 0;
      padding: 0;
      height: 100%;
  }
  .map {
    width: 100%;
    height: 100%;
  }
</style>
</head>
<body>
<div id="map" class="map"></div>
<script>

var map = new ol.Map({
  target: 'map',  
  layers: [
    new ol.layer.Tile({
         source: new ol.source.XYZ({
            url: 'https://tms-ign-base.idee.es/1.0.0/IGNBaseTodo/{z}/{x}/{-y}.jpeg'
          })
    }),
    new ol.layer.Tile({
      source: new ol.source.TileWMS({
        url: 'https://wms.mapa.gob.es/sigpac/wms?service=wms&request=getcapabilities',  
        params: {
          'LAYERS': 'linea_declaracion',
          'TILED': true,
        },
        serverType: 'geoserver'
      })
    })
  ],
  view: new ol.View({
    center: ol.proj.fromLonLat([-5, 40]), 
    zoom: 16  
  })
});

</script>
</body>
</html>