body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f4f4f4;
}
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
h2 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    margin: 0;
}
.doc-link {
    background-color: #3498db;
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
}
.doc-link:hover {
    background-color: #2980b9;
}
form {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
input[type="text"] {
    width: 100%;
    padding: 8px;
    margin: 5px 0 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}
input[type="submit"], .form-button {
    background-color: #3498db;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}
input[type="submit"]:hover, .form-button:hover {
    background-color: #2980b9;
}
.clear-button {
    background-color: #dc3545;
}
.clear-button:hover {
    background-color: #c82333;
}
pre {
    background-color: #ecf0f1;
    padding: 10px;
    border-radius: 4px;
    overflow-x: auto;
}
#rsslink, #copyButton {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 15px;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    border: none;
    line-height: 1.5;
    vertical-align: middle;
}
#rsslink {
    background-color: #2ecc71;
    margin-left: 10px;
}
#rsslink:hover {
    background-color: #27ae60;
}
#copyButton {
    background-color: #e67e22;
}
#copyButton:hover {
    background-color: #d35400;
}