header{z-index:30;box-sizing:border-box;width:100vw;transition:.3s cubic-bezier(0.4, 0, 0.2, 1)}#flash_messages{z-index:50}.alert-alert{background-color:rgba(251,104,91,.9)}.alert-notice{background-color:rgba(101,163,1,.9)}.alert_checkin{top:unset;bottom:0;max-height:40px}