#masthead.site-header {
  background-image: url("https://wp.icmm.csic.es/gnmp/wp-content/uploads/sites/10/2019/07/patente.jpg");
  color: #ffffff;
}

.site-title a:hover {
  color: #ffffff;
  text-align: left;
}

.site-description {
  color: #e0e0e0;
}

.header-side .site-title {
  font-weight: bold;
  color: #ffffff;
}