header {
  background-image: linear-gradient(0deg, rgba(0,0,0,0), var(--nbc));
  color: var(--ntc);
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  display: inherit;
  position: fixed;
  top: 0;
  width: 100%;
}

header img {
  max-width: 4rem;
  transition: all 0.5s;
}

header h1 {
  font-size: 215%;
  float: right;
  margin-top: 0.5rem;
  margin-left: 1rem;
  margin-right: 1rem;
  display: inline;
  transition: all 0.5s;
}

header h1::after {
  content: '';
  width: 0;
  height: .25rem;
  margin-left: 50%;
  display: block;
  background: var(--nuc);
  transition: 0.5s;
  left: 50%;
  transform: translate(-50%, 0);
}

header h1:hover::after {
  width: 50%;
}

header h1:hover {
  transform: translateY(-0.5rem);
}

.dropdown {
  float: left;
  margin-left: 1rem;
  margin-right: 1rem;
}

.dropdown_button {
  transition: all 0.5s;
}

.dropdown_content {
  background-color: var(--ddcbc);
  position: absolute;
  display: none;
  opacity: 0;
  left: 0;
  margin: 0;
  transition: all 0.5s, opacity 0.3s;
  padding-left: 1rem;
  padding-right: 1rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.dropdown_content a {
  margin: 0;
  display: block;
}

.langs p {
  font-size: 150%;
  font-weight: 600;
}

.langs button {
  margin-left: 0.25rem;
  margin-right: 0.25rem;
  display: inline-block;
  color: var(--ntc);
  cursor: pointer;
  transition: transform 0.5s;
}

.HUN:hover {
  transform: translateY(-0.5rem);
}

.ENG:hover {
  transform: translateY(-0.5rem);
}

.active_lang p {
  color: var(--natc);
  cursor: default;
}

.ENG:hover .active_lang p:hover {
  transform: none;
}

.theme_change_button {
  text-align: center;
  padding-left: 33.5%;
  display: inline-block;
}

.theme_change_button img {
  max-width: 3rem;
  cursor: pointer;
  transition: transform 1s;
}

.theme_change_button img:hover {
  transform: rotate(360deg);
}

.on_page::after {
  content: '';
  width: 50%;
  height: .25rem;
  margin-left: 50%;
  display: block;
  background: var(--nuc);
  left: 50%;
}

.on_page:hover {
  transform: none;
}

.on_page:active {
  color: inherit;
}