body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 20px;
}

.control {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.track {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

label {
    margin-right: 10px;
    width: 60px;
}

input[type="range"] {
    margin-right: 10px;
    flex: 1;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
    transition: opacity 0.2s;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: #1e90ff; /* Blue */
    cursor: pointer;
    border-radius: 50%;
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #1e90ff; /* Blue */
    cursor: pointer;
    border-radius: 50%;
}

.btn {
    background-color: #ff8c00; /* Orange */
    color: white;
    border: none;
    padding: 10px 15px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #ff4500; /* Darker orange */
}