body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

#game-container {
    text-align: center;
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 20px;
    max-width: 800px;
    width: 90%;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

#game-area {
    width: 100%;
    max-height: 600px;
    height: 90vh;
    background-color: #e0e0e0;
    position: relative;
    overflow: hidden;
}
#score{ 
    font-family: monospace;
    font-weight: 600;
    font-size: 1.3rem; 
    margin: 1rem;
}
.bubble {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    position: absolute;
    cursor: pointer;
}

button{
    padding: 0.8rem 3rem;
    background: black;
    margin: 0.5rem;
    border: 2px solid transparent;
    border-radius: 0.6rem;
    font-weight: 700;
    color: white;
} 
button:hover{
    background: transparent;
    color: black;
    border: 2px solid black;
}
.red { background-color: red; }
.green { background-color: green; }
.blue { background-color: blue; }
.orange { background-color: orange; }
.yellow { background-color: yellow; }
.purple { background-color: purple; }