body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100vh;
    background: url('background.jpg') no-repeat center center fixed;
    background-size: cover;
}

header {
    width: 100%;
    text-align: center;
    padding: 20px 0;
    background-color: rgba(76, 175, 80, 0.8); /* Green background with opacity */
    color: white;
}

h1 {
    margin: 0;
    font-size: 2rem;
}

main {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
    width: 100%;
}

.container {
    background-color: rgba(255, 255, 255, 0.9); /* White background with slight opacity */
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 400px; /* Increased width */
    text-align: center;
}

label {
    display: block;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgba(0, 0, 0, 0.5); /* Black w/ opacity */
    justify-content: center; /* Center the modal */
    align-items: center;
    display: flex; /* Flex display */
}

.modal-content {
    background-color: white;
    margin: auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px; /* Max width of the modal */
    text-align: center;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, 0.95); /* Slightly transparent background */
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

#responseText {
    font-size: 1rem;
    color: #333;
}