#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:15em}.logo.herocoders:hover{filter:drop-shadow(0 0 5em #0c346986)}.card{padding-bottom:2em}.list-unstyled>li{list-style:none}.mb-0{margin-bottom:0}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}