.mn-theme-toggle {
  position: absolute;
  z-index: 8;
  top: 18px;
  right: 20px;
  width: 54px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: space-around;
  color: rgba(255,255,255,.82);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  background: rgba(4,24,45,.30);
  box-shadow: 0 8px 20px rgba(0,0,0,.13);
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.mn-theme-toggle:hover { background: rgba(4,24,45,.44); }
.mn-theme-toggle span {
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: background .18s ease, color .18s ease;
}
html:not([data-mundo-theme="dark"]) .mn-theme-toggle__sun,
html[data-mundo-theme="dark"] .mn-theme-toggle__moon {
  color: #12345a;
  background: #fff;
}
html[data-mundo-theme="dark"] .mn-theme-toggle__sun,
html:not([data-mundo-theme="dark"]) .mn-theme-toggle__moon {
  color: rgba(255,255,255,.70);
  background: transparent;
}
@media (max-width: 900px) {
  .mn-theme-toggle { top: 12px; right: 13px; }
}