.App{text-align:center}table{border:5px solid black;display:inline-flex;flex-direction:column-reverse}table tr{display:flex}table tr:nth-child(2n){flex-direction:row-reverse}table tr th{width:40px;height:40px;border:1px solid black;margin:2px;display:flex;align-items:center;justify-content:center}.alert{background:red}.success{background:green}.destination{background:wheat}.pulser{width:40px;height:40px;border-radius:50%;background:#639;position:relative}.pulser:after{animation:pulse 1s cubic-bezier(.9,.7,.5,.9) infinite}@keyframes pulse{0%{opacity:0}50%{transform:scale(1.2);opacity:.4}}.pulser:after{content:"";position:absolute;width:100%;height:100%;top:0;left:0;background:#8a2be2;border-radius:50%;z-index:-1}h3{background:#adff2f;padding:20px;border-radius:10px}.info-tips{display:flex;align-items:center;margin-left:10px}.info-tips span{width:20px;height:20px}.info-tips p{margin-left:2px}#background{display:inline-flex;flex-direction:column;align-items:center}