merge these css

        body {
            background-color: black;
            color: white;
            font-family: sans-serif;
            transition: background-color 0.5s, color 0.5s;
        }

        .dark-mode {
            background-color: #333;
            color: white;
        }

        .container {
            padding: 20px;
            position: relative;
        }

        .box {
            margin: auto;
            background-color: white;
            padding: 10px;
            width: 400px;
            transition: background-color 0.5s, color 0.5s;
            border-radius: 8px;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
        }

        .fade-in {
            opacity: 0;
            animation: fadeIn 1s forwards;
        }

        @keyframes fadeIn {
            to {
                opacity: 1;
            }
        }

        .settings-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            background-color: #333;
            color: white;
            display: flex;
            align-items: center;
            justify-content: space-around;
            width: 100%;
            padding: 10px 20px;
            cursor: pointer;
            z-index: 2000;
            transition: transform 0.3s;
        }

        .settings-bar:hover {
            transform: translateY(-5px);
        }

        .settings-ui {
            display: none;
            background-color: #444;
            color: white;
            padding: 20px;
            position: fixed;
            bottom: 60px;
            left: 0;
            width: 100%;
            box-sizing: border-box;
            border-top-left-radius: 8px;
            border-top-right-radius: 8px;
            box-shadow: 0px -4px 10px rgba(0, 0, 0, 0.2);
        }

        button {
            background-color: #555;
            border: none;
            color: white;
            padding: 10px;
            cursor: pointer;
            transition: background-color 0.3s;
            border-radius: 4px;
        }

        button:hover {
            background-color: #777;
        }

        #glist,
        .glist {
            overflow-x: hidden;
            overflow-y: auto;
            width: 100%;
            max-height: 320px;
            padding: 0;
            text-align: center;
            margin-bottom: 10px;
        }

        #glist a,
        .glist a {
            display: block;
            text-decoration: none;
            color: black;
            font-size: 18px;
            border: 1px solid #dddddd;
            margin-top: -1px;
            background-color: #f6f6f6;
            padding: 12px;
            transition: 0.2s ease;
            border-radius: 4px;
        }

        #glist a:hover,
        .glist a:hover {
            background-color: #eeeeee;
            text-shadow: 0 0 5px rgba(0, 0, 0, 0.4);
        }

        .page-button {
            background-color: #555;
            color: white;
            padding: 10px;
            display: block;
            margin: 20px auto;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .page-button:hover {
            background-color: #777;
        }

        .youtube-embed-ui {
            padding: 20px;
            background-color: #444;
            color: white;
            position: fixed;
            top: 80px;
            left: 50%;
            transform: translateX(-50%);
            width: 90%;
            max-width: 600px;
            border-radius: 8px;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
            z-index: 1000;
        }

        .youtube-embed-ui input[type="text"] {
            width: calc(100% - 160px);
            padding: 10px;
            border-radius: 4px;
            border: none;
            color: #444;
        }

        .video-container {
            margin-top: 20px;
        }

        .video-container iframe {
            width: 100%;
            height: 0;
            padding-bottom: 56.25%;
            position: relative;
        }

        .video-container iframe,
        .video-container object,
        .video-container embed {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

        .confirmation-dialog {
            position: absolute;
            width: 300px;
            background-color: white;
            border: 2px solid #777;
            padding: 20px;
            display: none;
            z-index: 1000;
            border-radius: 8px;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);
        }

        .confirmation-dialog p {
            margin-top: 0;
            color: #333;
        }

        .confirmation-dialog button {
            margin-right: 10px;
            padding: 8px 16px;
            background-color: #333;
            color: white;
            border: none;
            cursor: pointer;
            border-radius: 4px;
            transition: background-color 0.3s;
        }

        .confirmation-dialog button:hover {
            background-color: #555;
        }

        .dragging {
            opacity: 0.5;
        }

secound

        body {
            background-color: black;
            color: white;
            font-family: sans-serif;
            transition: background-color 0.5s, color 0.5s;
        }

        .dark-mode {
            background-color: #333;
            color: white;
        }

        .container {
            padding: 20px;
            position: relative;
        }

        .box {
            margin: auto;
            background-color: white;
            padding: 10px;
            width: 400px;
            transition: background-color 0.5s, color 0.5s;
            border-radius: 8px;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
        }

        .settings-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            background-color: #333;
            color: white;
            display: flex;
            align-items: center;
            justify-content: space-around;
            width: 100%;
            padding: 10px 20px;
            cursor: pointer;
            z-index: 2000;
            transition: transform 0.3s;
        }

        .settings-bar:hover {
            transform: translateY(-5px);
        }

        .settings-ui {
            display: none;
            background-color: #444;
            color: white;
            padding: 20px;
            position: fixed;
            bottom: 60px;
            left: 0;
            width: 100%;
            box-sizing: border-box;
            border-top-left-radius: 8px;
            border-top-right-radius: 8px;
            box-shadow: 0px -4px 10px rgba(0, 0, 0, 0.2);
        }

        button {
            background-color: #555;
            border: none;
            color: white;
            padding: 10px;
            cursor: pointer;
            transition: background-color 0.3s;
            border-radius: 4px;
        }

        button:hover {
            background-color: #777;
        }

        .glist {
            overflow-y: auto;
            width: 100%;
            max-height: 320px;
            padding: 0;
            text-align: center;
            margin-bottom: 10px;
            opacity: 0;
            transition: opacity 1s ease;
            /* Initially invisible */
        }

        .box:hover .glist {
            opacity: 1;
            /* Fade in on hover */
        }

        .glist a {
            display: block;
            text-decoration: none;
            color: black;
            font-size: 18px;
            border: 1px solid #dddddd;
            margin-top: -1px;
            background-color: #f6f6f6;
            padding: 12px;
            transition: 0.2s ease;
            border-radius: 4px;
        }

        .glist a:hover {
            background-color: #eeeeee;
            text-shadow: 0 0 5px rgba(0, 0, 0, 0.4);
        }

        .page-button {
            background-color: #555;
            color: white;
            padding: 10px;
            display: block;
            margin: 20px auto;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .page-button:hover {
            background-color: #777;
        }

        #gsearchbar {
            display: block;
            margin: 20px auto;
            padding: 8px;
            width: calc(100% - 40px);
            max-width: 380px;
            color: #333;
            border-radius: 4px;
            border: none;
            box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.15);
        }

        #gsearchbar:focus {
            outline: none;
            border: 1px solid #555;
        }