header {
  position: sticky;
  top: 0;
  left: 0;
  padding: .5em;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: .2em .5em;
  align-items: center;
  scrollbar-width: thin;
  color: white;
  transition: background-color 0.5s ease-in-out;
}

header > span {
  margin: 0;
  line-height: 1.8rem;
  height: 1.8rem;
  padding: .2rem 0 .2rem .5rem;
  display: flex;
  gap: .3em;
  align-items: center;
  align-content: baseline;
  line-break: strict;
  position: relative;
  white-space: nowrap;
}

header > span::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  padding: .2rem .5rem;
  border-radius: .3em;
  height: 1.8rem;
  background-color: black;
}

header a {
  color: aquamarine;
  text-decoration: none;
}

header #title {
  font-size: 1.2em;
  font-weight: bold
}

header select {
  color: white;
  background-color: rgb(50, 50, 50);
  border-radius: .2em;
  border: none;
  font-weight: bold;
  width: fit-content;
  height: 80%;
  padding: .1em 0;
}

header option {
  background-color: rgb(50, 50, 50);
  border: none;
}