.header {
  display: flex;
  justify-content: space-between;
  padding: calc(var(--gap) * 0.5) calc(var(--gap) * 0.5) calc(var(--gap) * 0.5) calc(var(--gap) * 1);
  background-color: var(--header-background, #000000);
  font-size: 120%;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
}

body .header::before {
  content: "";
  position: fixed;
  top: -100vh;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--body-background, #000000);
  z-index: -1;
}

.header .left,
.header .right {
  display: flex;
  align-items: center;
  gap: calc(var(--gap) * 1);
}

.header .button {
  display: inline-flex;
  padding: calc(var(--gap) * 1);
  cursor: pointer;
}

.header .button:active {
  opacity: 0.4;
}

.header go-icon[name="logo"] {
  font-size: 32px;
}