header {
  background-color: #ffffff;
}

header a {
  color: #ffffff;
  display: inline-block;
  line-height:1;
}

header a:hover {
  color: #ffffff;
}

.current_page_item a {
  color: #ffffff;
}

header svg {
  width:200px;
}

.img-gray {
  filter:contrast(1.2) grayscale(100%);
}

#home .hero {
 height:calc(100vh - 60px);
}