What is ranked-choice voting and how does it work in US elections?

@media (max-width: 1023px) { [data-site-header] .site-header-inner { flex-wrap: wrap; } [data-site-header] .site-navigation-panel { display: block; position: static; order: 3; width: 100%; max-height: none; overflow: visible; padding: 10px 0 0; border: 0; box-shadow: none; } [data-mobile-nav-toggle], [data-theme-toggle] { display: none !important; } }