body {
            font-family: Arial, sans-serif;
            padding: 20px;
        }

        #words {
            margin-bottom: 20px;
        }

        .word {
            display: inline-block;
            margin: 5px;
            padding: 5px 10px;
            border: 1px solid #ccc;
            border-radius: 8px;
            cursor: pointer;
            background: #f9f9f9;
        }

        .word:hover {
            background: #e0e0e0;
        }

        #box {
            display: flex;
            flex-wrap: wrap;
            border: 2px solid #aaa;
            min-height: 40px;
            padding: 10px;
            border-radius: 10px;
        }

        #result {
            margin-top: 20px;
            font-size: 18px;
            font-weight: bold;
        }