body {
    background-color: #f4f4f4;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    width: 100vw; /* Ensure the body spans the entire width of the device */
    box-sizing: border-box;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 100%; /* Ensure container spans the entire width */
    width: 100%; /* Fill the available width */
    box-sizing: border-box; /* Include padding in width calculations */
    text-align: center;
}

.header {
    margin-bottom: 20px;
}

.logo {
    max-width: 150px;
    margin-bottom: 10px;
}

h1 {
    font-size: 24px;
    margin-bottom: 10px;
}

p {
    font-size: 16px;
    margin-bottom: 20px;
}

.image-container {
    margin-bottom: 20px;
}

#shared-image {
    max-width: 100%;
    height: auto;
    margin-bottom: 20px; /* Add space below the image */
}

button {
    background-color: #822E08; /* Updated button color */
    color: white;
    padding: 18px 24px; /* Increased padding for larger button size */
    font-size: 18px; /* Increased font size */
    font-weight: bold; /* Bolder text */
    cursor: pointer;
    border-radius: 6px; /* Slightly larger border radius */
    border: none;
    transition: background-color 0.3s ease;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px; /* Add space above the button */
}

button:hover {
    background-color: #6d2406; /* Darker shade on hover */
}

button:active {
    background-color: #571c05; /* Even darker shade on active state */
}