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

body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.container {
    text-align: center;
    background-color: #ffffff;
    padding: 20px;
    max-width: 800px;
    width: 100%;
}

h1 {
    margin-bottom: 20px;
    color: #333;
    font-size: 24px;
    font-weight: normal;
}

p {
    margin: 10px 0;
    color: #666;
    font-size: 16px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    margin: 20px auto;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    opacity: 0;
    position: absolute;
}

#clickButton {
    background-color: #388e3c;
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 10px 2px;
    cursor: pointer;
    border-radius: 5px;
    opacity: 0.2;
}

#interactionArea {
    width: 1px;
    height: 1px;
    position: absolute;
    opacity: 0;
    pointer-events: none;
}