.blue-box-item {
    background: #03234b;
    color: #fff;
    width: 50%;
    padding: 30px 20px;
}

.blue-box-item * {
    color: #fff;
}

.blue-box-item-row {
    display: flex;
    gap: 20px;
    margin: 20px;
}

.blue-box-item-row:last-child .blue-box-item {
    width: 100%;
}

@media (max-width: 640px) {
    .blue-box-item {
        width: 100%;
    }

    .blue-box-item-row {
        flex-direction: column;
    }
}