.site-header__desktop,
.site-header__mobile {
  width: 100%;
  height: auto;
}

.site-header__desktop {
  display: block;
}

.site-header__mobile {
  display: none;
}

@media (max-width: 760px) {
  .site-header__desktop {
    display: none;
  }

  .site-header__mobile {
    display: block;
  }
}