.not-found{text-align:center;padding:80px 50px;font-family:Arial,sans-serif;margin-top:90px}.not-found h1{font-size:100px;margin-bottom:20px}.not-found p{font-size:24px;margin-bottom:20px}.not-found a{font-size:18px;color:#007bff;text-decoration:none}.not-found a:hover{text-decoration:underline}