#app{width:100%;max-width:540px;margin:0 auto}
#container.nf-intro-overlay{max-width:540px;margin:0 auto}
@media (min-width:769px){body{background:#000;display:flex;justify-content:center}
#app,#container.nf-intro-overlay,header.nav,.hero,main,section,.details-actions,#autoplay-player-section,.timeline-location{width:100%;max-width:540px;margin-inline:auto}
.hero{margin-left:0 !important}
.row,.row-head,.rail-track{max-width:540px;margin-inline:auto}
}
@media (min-width:769px){header.nav{position:relative;width:100%;max-width:540px;margin:0 auto;left:0;right:0}
.nav-left,.nav-right{display:flex;align-items:center}
.brand{display:block;margin:0 auto}
}