/* Homepage sign-in: full contrast against the light header. */
html body .site-header .auth-btns a[href^="dang-nhap"],
html body .drawer .auth a[href^="dang-nhap"] {
  background: #bd1833;
  color: #ffffff;
  border: 1px solid #bd1833;
  font-weight: 700;
  opacity: 1;
  filter: none;
}
html body .site-header .auth-btns a[href^="dang-nhap"]:hover,
html body .drawer .auth a[href^="dang-nhap"]:hover {
  background: #9e122b;
  color: #ffffff;
  border-color: #9e122b;
}
html body .site-header .auth-btns a[href^="dang-nhap"]:focus-visible,
html body .drawer .auth a[href^="dang-nhap"]:focus-visible {
  outline: 3px solid #bd1833;
  outline-offset: 3px;
}