.not-found-container {
    text-align: center;
    margin-top: 80px;
}

.not-found-title {
    font-size: 2.5em;
    color: #d9534f;
}

.not-found-message {
    font-size: 1.2em;
    margin: 20px 0;
}

.not-found-link {
    color: #337ab7;
    text-decoration: underline;
}