body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    padding: 10px;
}
.container {
    max-width: 500px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border: 1px solid #ddd;
}
h1, .btn-primary {
    color: #223d97;
}
.btn-primary {
    background-color: #223d97;
    border: none;
    padding: 10px 15px;
    color: #fff;
}
.logo-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
@media (max-width: 600px) {
    .logo-container img {
        width: 40%;
    }
}