header {
  background: #000 !important;
  border: 0 !important;
}

.logo {
  position: fixed;
  top: 1em;
  left: 1em;
}

img:not(.logo, .noinv) {
  filter: invert(1);
  display: block;
  margin: auto;
}

header table a {
  color: white !important;
  text-decoration: none;
  transition: all ease 0.5s;
}

header table a:hover {
  color: yellow !important;
  text-decoration: none;
}

h1,
h2,
h3 {
  border: 0 !important;
}

@media only screen and (max-width: 900px) {
  .logo {
    display: none;
  }
  iframe {
    width: 100%;
  }
}