*{
        box-sizing: border-box;
    }

        body {
            font-family: sans-serif;
            background: #f0f0f0;
            padding: 20px;
            margin: 0;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: flex-start;
        }

        #todo-container {
            background: white;
            padding: 20px;
            border-radius: 10px;
            max-width: 400px;
            width: 100%;
            margin: 20px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }

        input[type="text"] {
            padding: 10px;
            width: 75%;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 14px;
        }

        button {
            padding: 10px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 14px;
            transition: transform 0.1s ease, opacity 0.1s ease;
        }

        button:hover {
            opacity: 0.9;
            transform: scale(1.05);
        }

        .clear-btn {
            background: #6c757d;
            color: white;
            margin-top: 10px;
            font-size: 14px;
        }

        ul {
            list-style: none;
            padding-left: 0;
        }

        li {
            background: #e3e3e3;
            margin: 5px 0;
            padding: 10px;
            border-radius: 5px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            animation: slideIn 0.3s ease;
        }

        .completed-item {
            background: #d4edda;
            /* No strikethrough */
        }

        .button-container {
            display: flex;
            gap: 5px;
            align-items: center;
        }

        .complete-btn,
        .delete-btn {
            border: 1px solid black;
            width: 24px;
            height: 24px;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 16px;
            font-size: 14px;
        }

        .clear-btn{
            padding-top: 9px;
            padding-bottom: 9px;
            padding-left: 12px;
            padding-right: 12px;
        }

        h2,
        h3 {
            color: #333;
        }

        h3 {
            margin-top: 20px;
        }

        .task-count {
            font-size: 13px;
            color: #555;
            margin: 10px 0;
        }

        @keyframes slideIn {
            from {
                transform: translateY(-10px);
                opacity: 0;
            }

            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        @media (max-width: 500px) {
            #todo-container {
                margin: 10px;
                padding: 15px;
            }

            input[type="text"] {
                width: 65%;
            }

            button {
                padding: 8px;
                font-size: 14px;
            }

            .complete-btn,
            .delete-btn {
                width: 20px;
                height: 20px;
                font-size: 12px;
            }
        }