* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

header {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    width: 100%;
    text-align: center;
}

header img {
    height: 50px;
    margin-right: 20px;
}

header h1 {
    font-size: 24px;
    color: #333;
}

.button-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    padding: 20px;
}

.button-container button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 15px 30px;
    text-align: center;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    width: 250px;
}

.button-container button:hover {
    background-color: #0056b3;
}

.button-container button img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
    vertical-align: middle;
}

@media (max-width: 600px) {
    .button-container {
        flex-direction: column;
    }
}