.min-vh-100{min-height:100vh}.error-404{font-size:8rem;font-weight:900;opacity:.1;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:-1}.error-icon-container{position:relative;z-index:1}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.error-icon-container i{animation:pulse 2s infinite}@media (max-width:768px){.error-404{font-size:5rem}.display-4{font-size:2rem}}.btn{transition:all .3s ease}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.card{transition:all .3s ease}.card:hover{transform:translateY(-3px);box-shadow:0 8px 15px rgba(0,0,0,.1)!important}