body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 20px auto;
    text-align: center;
}

h1 {
    color: #333;
}

#game-container {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
}

#animals,
#food {
    width: 45%;
    padding: 10px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.animal,
.food {
    font-size: 36px;
    cursor: pointer;
    margin: 5px;
}

.animal:hover,
.food:hover {
    transform: scale(1.1);
    transition: transform 0.3s ease-in-out;
}

#timer,
#score {
    margin-top: 20px;
}

#start-button,
#next-level-button {
    background-color: #4CAF50;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin-top: 20px;
    cursor: pointer;
    border: none;
    border-radius: 8px;
}

#start-button:disabled,
#next-level-button:disabled {
    background-color: #ddd;
    cursor: not-allowed;
}

#next-level-button {
    display: none;
}

.alert {
    background-color: #f44336;
    color: white;
    padding: 20px;
    margin-top: 20px;
    border-radius: 8px;
    display: none;
}

@media only screen and (max-width: 600px) {
    #game-container {
        flex-direction: column;
    }
    #animals,
    #food {
        width: 100%;
    }
}