html[data-cold] #app,
html[data-cold] #tabbar,
html[data-cold] #update-slot {
  visibility: hidden;
  animation: cold-failsafe 0s linear 6s forwards;
}
html[data-cold][data-boot-active] #app,
html[data-cold][data-boot-active] #tabbar,
html[data-cold][data-boot-active] #update-slot {
  visibility: hidden;
  animation: none;
}
@keyframes cold-failsafe {
  to { visibility: visible; }
}