body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    
   
}    #gameArea {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh; 
            border: none; 
            background-color: #f0f0f0;
            overflow: hidden;
        }
        .randomBox {
            position: absolute;
            cursor: pointer;
        }
        #intro {   
            flex-direction: column;
            justify-content: center;
            align-items: center;
            height:auto;
            padding: 20px; 
            background-color: #ffffff;
            text-align: center; 
            box-sizing: border-box;
        }
        #intro h1 {
            font-size: 2.5rem; 
            margin-bottom: 20px;
            color: #000000;
        }
        #intro p {
            font-size: 1.2rem; 
            margin-bottom: 15px;
            color: #252525;
            line-height: 1.5;
            text-align: left;
        }
        #intro ul {
            list-style: disc;
            padding: 0 20px;
            margin: 20px 0;
            
            text-align: left;
        }
        #intro ul li {
            margin-bottom: 10px;
            font-size: 1.2rem;
            color: #252525;
        }
        button {
            padding: 10px 20px;
            font-size: 20px;
            cursor: pointer;
            background-color: rgb(101, 101, 101);
            color: white;
            border: none;
            border-radius: 5px;
            transition: background-color 0.3s ease, color 0.3s ease;
        }
        button:hover {
            background-color: #000000;
            color: white;
        }
        .alertBox {
        display: none;
        width: 400px;
        max-width: 90%; 
        padding: 20px; 
        color: rgb(0, 0, 0);
        background-color: #5d5d5d;
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        text-align: center;
        border-radius: 15px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
        z-index: 1000;
        box-sizing: border-box;
    }

    #Head {
        font-size: 1.5rem; 
        font-weight: bold;
        margin-bottom: 15px;
        color: #ffffff;
        text-transform: uppercase;
    }

    #para {
        font-size: 1rem; 
        margin-bottom: 20px;
        color: #ffcccc;
    }

    .alertBox button {
        padding: 10px 20px;
        font-size: 1rem; 
        font-weight: bold;
        background-color: #ffffff;
        color: #ff0000;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        transition: all 0.3s ease;
    }

    .alertBox button:hover {
        background-color: #000000;
        color: #ffffff;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    }
        @media (max-width: 768px) {
            #intro h1 {
                font-size: 2rem;
            }

            #intro p, #intro ul li {
                font-size: 1rem;
            }

            button {
                font-size: 18px;
            }
        }

        @media (max-width: 480px) {
            #intro h1 {
                font-size: 1.8rem;
            }

            #intro p, #intro ul li {
                font-size: 0.9rem;
            }

            button {
                font-size: 18px;
            }
        }

        @media (max-width: 768px) {
        .alertBox {
            width: 100%; 
            padding: 15px; 
        }
        #Head {
            font-size: 1.3rem;
        }

        #para {
            font-size: 0.9rem;
        }
        .alertBox button {
            font-size: 18px;
        }
    }

    @media (max-width: 480px) {
        .alertBox {
            width: 100%; 
            padding: 10px; 
        }

        #Head {
            font-size: 1.2rem;
        }

        #para {
            font-size: 0.8rem;
        }

        .alertBox button {
            font-size: 18px;
            padding: 8px 16px; 
        }
    }