.card {
    margin: 10px auto;
    border: 1px solid #ccc;
    border-radius: 10px;
    overflow: hidden;
    max-width: 900px;
}

.card-header {
    background-color: #f8f9fa;
    padding: 15px;
    text-align: center;
    font-size: 1.25rem;
    font-weight: bold;
}

.over-control {
    width: 100%;
    padding: 10px;
    font-size: 1rem;
    border: 1px solid #ced4da;
    border-radius: 5px;
    transition: 0.2s ease-in-out;
}

    .over-control:focus {
        border-color: #007bff;
        box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
    }

.mt-100 {
    margin-top: 100px;
}

@media (max-width: 768px) {
    .row {
        flex-direction: column;
    }

    .form-group {
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}

.formMargin {
    margin-inline: 20px;
}