styles.css

html, body {
    background: url('assets/images/wallpaper.jpg') no-repeat center center fixed;
    background-size: cover;
    color: white;
    padding-top: 5px;
}

.glass_effect {
    background-color: #0000009c;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#chord-options {
    padding: 15px;
    width: auto;
    border-radius: 10px;
    margin-bottom: 20px;
}

#start_btn {
    width: 100%;
    margin-top: 10px;
    background-color: #50c019;
    border-color: #50c019;
    font-weight: bold;
}

#chord-data {
    padding: 20px 50px;
    text-align: center;
    border-radius: 10px;
}

#chord-data #instrument {
    font-size: 15px;
    font-weight: bold;
    color: #c4c3c3;
}

#chord-data #chord-example-image {
    margin-top: 20px;
    background-color: #fff;
    padding: 10px;
    border-radius: 5px;
    max-width: 100%;
}