body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0px;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.header {
    text-align: center;
    margin-bottom: 20px;
}
.header h1 {
    font-size: 3rem; /* Adjust the font size as needed */
}
.header p {
    font-size: 20pt; /* Adjust the font size as needed */
}
.container {
    display: grid;
    grid-template-columns: repeat(5, 1fr); /* 5 columns of equal width */
    gap: 10px;
    max-width: 720px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
}
.button {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 2px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    background-color: white;
    transition: background-color 0.3s, color 0.3s;
    padding-top: 5%;
    padding-bottom: 5%;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    min-height: 80px; /* 设置按钮的最小高度为 40px */
    min-width: 80px; /* 设置按钮的最小高度为 40px */

}
.button:hover {
    background-color: #d5e8ff;
    border: 2px solid #89beff;
}
.button.active {
    background-color: #007aff;
    color: white;
    border: 2px solid #d5e8ff;
}
.button span {
    display: block;
    width: 85%;
    font-size: calc(1rem - 1px); /* Responsive font size */
}
#screenshotBtn {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #007aff;
    color: white;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}
#screenshotBtn:hover {
    background-color: #0056b3;
}
.all {
    border-radius: 20px;
    background-color: #f0f0f0;
    display: block;
    padding: 20px;
}
.screenshot {
    display: none; /* Initially hide the screenshot */
}
.returnbtn {
    display: none;
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #007aff;
    color: white;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}