.vertical-button {
            position: fixed;
            top: 50%;
            left: 0;
            transform: translateY(-50%);
            writing-mode: vertical-rl;
            color: black;
            background: transparent;
            border: none;
            padding: 10px 5px;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 1000;
        }

        .vertical-button:hover {
            color: blue;
        }

        #sidebar-ads {
            max-height: 80vh;
            overflow-y: auto;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: -310px;
            width: 265px;
            height: 100%;
            background-color: white;
            border-right: 1px solid #ddd;
            padding: 20px;
            box-shadow: 5px 0 10px rgba(0,0,0,0.1);
            z-index: 999;
            transition: left 0.3s ease;
        }

        .sidebar-ad {
            padding: 10px 0;
            border-bottom: 1px dashed #ddd;
            word-wrap: break-word;
        }

        .linked {
            color: blue;
            text-decoration: none;
        }

        .linked:hover {
            text-decoration: underline;
        }

        .top-ad-title {
            font-weight: bold;
            color: red;
            margin-bottom: 5px;
        }

        .top-ad-container {
            border-bottom: 2px solid #f00;
            padding-bottom: 10px;
            margin-bottom: 10px;
        }