.row{margin:0}html,body,.page{height:100vh;background-color:#ff4500}#model-container{width:100%;max-width:600px;margin:0 auto;aspect-ratio:1 / 1}#model-container+div{margin-top:-150px}#about-btn{position:fixed;bottom:20px;right:20px;width:50px;height:50px;border-radius:50%;border:2px solid rgba(255,255,255,.5);background-color:#ffffff1a;display:flex;align-items:center;justify-content:center;text-decoration:none;transition:all .3s ease;z-index:1000}#about-btn span{color:#ffffffb3;font-size:24px;font-weight:700}#about-btn:hover{background-color:#fff3;border-color:#fffc;transform:scale(1.05)}#about-btn:hover span{color:#fff}.about-content{background-color:#ffffff1a;padding:40px;border-radius:10px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);margin:20px 0}.text-content ul{list-style-position:inside;padding-left:20px}.text-content h3{color:#fff}@media(max-width:768px){#model-container{max-width:90vw}.about-content{padding:20px;margin:10px}#about-btn{bottom:15px;right:15px;width:45px;height:45px}#about-btn span{font-size:20px}}.card,.card-body{height:75%}main{height:100vh;overflow:hidden}body:has(.about-content) main{overflow-y:auto;height:auto;min-height:100vh}header{height:20%;max-height:20%;overflow:hidden}.list-group{max-height:200px;overflow-y:auto}.h-80{height:80%}.h-20{height:20%}