style.css

/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body Styling */
body {
    font-family: Arial, sans-serif;
    background: #f9f9f9;
    color: #333;
    width: 300px; /* Fixed width */
    min-width: 300px;
    padding: 15px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
}

/* Header Styling */
h1 {
    font-size: 18px;
    color: #444;
    margin-bottom: 15px;
    text-align: center;
    word-wrap: break-word;
}

/* Volume Controls Container */
#volumeControls {
    width: 100%;
    overflow-y: auto;
    max-height: 300px; /* Allow scroll if there are more than 4 tabs */
}

/* Tab Container */
#volumeControls > div {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Tab Title */
#volumeControls span {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

/* Volume Slider */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 5px;
    background: #ddd;
    outline: none;
    border-radius: 5px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #4caf50;
    cursor: pointer;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.3);
}

input[type="range"]:hover::-webkit-slider-thumb {
    background: #45a049;
}

/* Responsive Adjustments */
@media (max-width: 300px) {
    body {
        width: 100%; /* Allow for flexible width on small screens */
    }
}