body {
    font-family: monospace; 
    background-color: #000; 
    margin: 0;
    padding: 0;
    font-size: calc(1.0vw + 1.5vh);
}
.devicePanel {
    position: relative; 
    display: flex; 
    flex-basis: auto;
    flex-wrap: wrap;
    align-items: center;
    color: #fff; 
}
.thirdPanel {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    width: 99vw; 
    height: 31.4vh;
    margin-top: 1vh;
    margin-bottom: 1vh;
    margin-left: 0.5vw;
    margin-right: 0.5vw;
}
.halfPanel {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 99vw; 
    height: 48vh;
    margin-top: 1vh;
    margin-bottom: 1vh;
    margin-left: 0.5vw;
    margin-right: 0.5vw;
}
.quarterPanel {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    width: 49vw; 
    height: 48vh;
    margin: 0;
}
table {
    margin: 0;
    padding: 0;
    background-color: #444;
    font-weight: normal;
    border-collapse: collapse;
    table-layout: fixed;
}
.fretTable {
    width: 100%;
    height: 100%;
}
.chordTable {
    width: 100%;
    height: 100%;
}
.paramTable {
    width: 100%;
}
.cell {
    margin: 0;
    padding: 0;
    text-align: center;
    vertical-align: middle;
}
.tdDiv {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5em;
    height: 1.5em;
}
.heading {
    background: transparent;
    color: #000;
    width: 100%;
    height: 1.6em;
    white-space: pre;
}
.degreeNull {
    border-radius: 15%;
    background: #000;
    color: #000;
}
.degree0 {
    border-radius: 50%;
    background: #FF3939;
    color: #000;
}
.degree1 {
    border-radius: 15%;
    border-top-left-radius: 50%;
    border-bottom-left-radius: 50%;
    background: #aaa;
    color: #000;
}
.degree2 {
    border-radius: 15%;
    border-bottom-left-radius: 50%;
    background: #FFD300;
    color: #000;
}
.degree3 {
    border-radius: 15%;
    background: #aaa;
    color: #000;
}
.degree4 {
    border-radius: 15%;
    background: #54D954;
    color: #000;
}
.degree5 {
    border-radius: 15%;
    border-top-right-radius: 50%;
    background: #aaa;
    color: #000;
}
.degree6 {
    border-radius: 15%;
    border-top-right-radius: 50%;
    border-bottom-right-radius: 50%;
    background: #8060FF;
    color: #000;
}