h1, h2, h3, h4, h5, h6 {
    text-align: center;
}

/* Message styling */
.messages {
    margin-bottom: 20px;
}

.alert {
    margin-bottom: 10px;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffeeba;
    color: #856404;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.alert-dismissible .close {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.75rem 1.25rem;
    color: inherit;
}