.hidden {
    display: none;
}

img {
    max-width:100%;
    height:auto;
}

.row {
    display: flex;
}

.row>div {
    border: 2px solid;
    border-color: rgb(38, 23, 149);
    text-align: center;
    font-family: 'Poppins', sans-serif;
}

.name-column {
    width: 20%;
}

.info-column {
    width: 40%;
}

.picture-column {
    width: 40%;
}

.number-column {
    width: 4%;
}

.year-column {
    width: 4%;
}

.details-column {
    width: 50%;
}

.guest-column {
    width: 15%;
}

.track-column {
    width: 27%;
}

.audio-track {
    display: flex;
}

.audio-track .track-title {
    width: 100%;
}

.audio-track .audio-controls {
    margin-right: 5px;
    margin: auto;
}

.playing {
    background-color: rgb(190, 234, 247);
}

.header-box {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    color: rgb(38, 23, 149);
    font-weight: bold;
}

.title {
    font-family: 'Poppins', sans-serif;
    font-size: 30px;
    color: rgb(38, 23, 149);
    font-weight: bold;
    text-align: center;
}

.outer-box {
    margin-bottom: 30px;
}

#menu-container {
    background-image: url('../images/tuba1.jpg');
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    color: white;
    text-shadow: 2px 2px 4px black, 0 0 50px blue, 0 0 10px darkblue;
    position: fixed;
    top: 0;
    left: 0;
    font-weight: bold;
    width: 239px;
    height: 720px;
}

#menu-links {
    margin-top: 200px;
    margin-left: 20px;
    display: flex;
    flex-direction: column;
}

#menu-container a {
    color: white;
    text-decoration: none;
    line-height: 1;
    margin-bottom: 20px;
}

#menu-container a:hover {
    color: rgb(190, 234, 247);
}

.flex-center {
    display: flex;
    justify-content: center;
}

.flex-vertical {
    flex-direction: column;
}

.flex-center img {
    align-self: center;
}

.full-width {
  width: 100%;
}