body {
            font-family: Arial, sans-serif;
            text-align: center;
            background-color:white ;
        }
        h2 {
            color: #333;
        }
        .choices {
            display: flex;
            justify-content: center;
            margin-top: 20px;
        }
        .choices button {
            width: 100px;
            height: 100px;
            margin: 0 10px;
            font-size: 16px;
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
        }
        .choices button.rock {
            background-color: red;
        }
        .choices button.paper {
            background-color: green;
        }
        .choices button.scissors {
            background-color: yellow;
            color: black;
        }
        .result {
            margin-top: 20px;
            font-size: 18px;
        }