body {
            font-family: Arial, sans-serif;
            background-color: #f9f9f9;
            color: #333;
            margin: 0;
            padding: 0;
            line-height: 1.6;
        }
        .container {
            max-width: 800px;
            margin: 20px auto;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            padding: 20px;
        }
        h1 {
            font-size: 2em;
            text-align: left;
            color: #007acc;
        }
        h2 {
            margin-top: 30px;
            font-size: 1.4em;
            color: #333;
        }
        p {
            margin: 10px 0;
        }
        ul {
            list-style-type: none;
            padding: 0;
        }
        li {
            margin: 10px 0;
            padding: 10px;
            background: #f0f0f0;
            border-radius: 5px;
        }
        ul.list li {
            margin: 0;
            padding: 0px;
            background: #fff;
	    border-radius: 0px;
        }
        a {
            color: #007acc;
            text-decoration: none;
        }
        a:hover {
            text-decoration: none;
        }
	code, iframe, pre {
	    font-family: monospace;
            background: #fff;
            padding: 5px;
            border-radius: 5px;
            line-break: anywhere;
            display: inline;
            margin: 0px;
            text-wrap: wrap;
	}
	pre {
	    display: block;
	}
	ul.dkim li { position: relative; margin:5px; padding:0px; border-radius:0px; background:inherit;}
        ul.tree { list-style-type: none; padding-left: 20px; position: relative; background:inherit;}
        ul.tree li { position: relative; margin:0px; padding:0px; padding-left: 20px; border-radius:0px; background:inherit;}
        ul.tree li::before { 
            content: ""; 
            position: absolute; 
            left: 0; 
            top: 0; 
            bottom: 0; 
            border-left: 1px solid #000; 
        }
        ul.tree li:last-child::before { bottom: 10px; }
        ul.tree li::after {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 10px;
            height: 1px;
            background: #000;
        }
	ul.menu li { position: relative; margin:0px; padding:0px; border-radius:0px; background:inherit;}
        ul.menu {
            list-style: none;
            display: flex;
            padding: 10px;
            background: #f4f4f4;
            border-radius: 5px;
            font-family: Arial, sans-serif;
        }

        ul.menu li {
            display: inline;
        }

        ul.menu li:not(:last-child)::after {
            content: " > ";
            margin: 0 8px;
            color: #666;
        }

        ul.menu li a {
            text-decoration: none;
            color: #0073e6;
        }

        ul.menu li a:hover {
            text-decoration: none;
        }
	.code-block {
            background: #f4f4f4;
            padding: 5px;
            border-radius: 5px;
            font-family: monospace;
        }
        .list {
            padding-left: 20px;
            background: #fff;
        }
        .list-item {
            margin-bottom: 5px;
            background: #fff;
        }
	.help-button {
	    position: absolute;
	    bottom: 0;
	    right: 0;
	    background-color: #007bff;
	    color: white;
	    padding: 5px 10px;
	    text-decoration: none;
	    border-radius: 3px;
	    font-size: 12px;
	}

	.help-item {
	    position: relative;
	    padding: 15px;
	    margin-bottom: 20px;
	    background-color: #f0f0f0;
	}

	.help-button:hover {
	    background-color: #0056b3;
	}
	.footer {
            margin-top: 30px;
            font-size: 0.9em;
            text-align: center;
            color: #666;
        }
