.page{flex-direction:column;min-height:100vh;display:flex}.page-header[data-position=static]{z-index:50;position:relative}.page-header[data-position=sticky]{top:calc(var(--spacing,.25rem)*0);z-index:50;position:sticky}.page-header[data-position=fixed]{top:calc(var(--spacing,.25rem)*0);right:calc(var(--spacing,.25rem)*0);left:calc(var(--spacing,.25rem)*0);z-index:50;position:fixed}.page-main{z-index:0;flex:1;position:relative}.page-header[data-position=fixed]~.page-main{padding-top:calc(var(--spacing,.25rem)*20)}