body {
    background-color: #121212;
    color: #ffffff;
    font-family: 'Poppins', sans-serif;
}

header {
    background: #1f1f1f;
}

header .display-4 {
    font-size: 2.5rem;
}

header .logo {
    width: 100px;
    height: 100px;
}

.card {
    border: none;
    background-color: #2c2c2c;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

.card-title {
    font-size: 1.25rem;
}

.card-text {
    color: #b5b5b5;
}

footer {
    background-color: #1f1f1f;
}

.btn-danger {
    background-color: #ff6b6b;
    border-color: #ff6b6b;
}

.btn-danger:hover {
    background-color: #ff4757;
    border-color: #ff4757;
}

.text-muted {
    color: #6c757d !important;
}

@media (max-width: 767px) {
    header .display-4 {
        font-size: 1.8rem;
    }
}