* {
  margin: 0;
  padding: 0;
  list-style-type: none;
}
body {
  background: #eee;
  font-family: 'Source Sans Pro', sans-serif;
  letter-spacing: 0.05em;
}
select {
  height: 30px;
  width: 200px;
  font-size: 16px;
}
button {
  height: 30px;
  width: 200px;
  font-size: 16px;
}
.info-message {
  color: #007ceb;
}
label {
  font-size: 16px;
  margin-right: 20px;
}
.guitar-neck {
  position: relative;
  width: 1200px;
  height: 200px;
  background: #ffffff;
  box-shadow: inset -1px 0px 11px 0px rgba(0, 0, 0, 0.75);
}
.guitar-neck .open-notes {
  position: absolute;
  left: -35px;
}
.guitar-neck .open-notes li {
  margin-bottom: 15px;
  font-size: 18px;
  color: #fff;
}

.guitar-neck .fret {
  float: left;
  width: 3px;
  height: 200px;
  background: #d7d6d6;
  margin-left: 65px;
  border-right: 1px solid #686868;
}
.guitar-neck .fret.first {
  position: absolute;
  width: 50px;
  left: -52px;
  top: 0;
  margin-left: 0;
  background: #211f1d;
}
.guitar-neck .dots {
  position: absolute;
  width: 1200px;
  height: 20px;
  top: 44%;
}
.guitar-neck .dots li {
  float: left;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #dadada;
}
.guitar-neck .dots-3 {
  margin-left: 163px;
}
.guitar-neck .dots-5 {
  margin-left: 118px;
}
.guitar-neck .dots-7 {
  margin-left: 118px;
}
.guitar-neck .dots-9 {
  margin-left: 118px;
}
.guitar-neck .dots-12-a {
  margin-left: 187px;
  margin-top: 70px;
}
.guitar-neck .dots-12-b {
  margin-left: -20px;
  margin-top: -70px;
}
.guitar-neck .dots-15 {
  margin-left: 118px;
}
.guitar-neck .dots-17 {
  margin-left: 118px;
}
.guitar-neck .strings {
  position: absolute;
  left: 0;
  top: 10px;
  width: 1200px;
  height: 200px;
}
.guitar-neck .strings li {
  height: 1px;
  display: inline-block;
  width: 100%;
  background: #ffffff;
  margin-bottom: 28px;
  border-top: 1px solid #505050;
  border-bottom: 1px solid #505050;
  box-sizing: border-box;
}
.guitar-neck .strings li:nth-child(2) {
  height: 2px;
}
.guitar-neck .strings li:nth-child(3) {
  height: 3px;
}
.guitar-neck .strings li:nth-child(4) {
  height: 4px;
}
.guitar-neck .strings li:nth-child(5) {
  height: 5px;
}
.guitar-neck .strings li:nth-child(6) {
  height: 6px;
}
.guitar-neck .notes {
  position: absolute;
  left: 25px;
  width: 1200px;
  height: 200px;
  font-size: 12px;
}
.guitar-neck .notes .mask {
  position: absolute;
  bottom: 3px;
  width: 1200px;
  height: 20px;
}
.guitar-neck .notes .mask ul {
  position: relative;
  float: left;
}
.guitar-neck .notes .mask ul li {
  float: left;
  width: 20px;
  height: 20px;
  margin-right: 49px;
  border-radius: 50%;
  text-align: center;
  line-height: 20px;
  box-shadow: 0px 2px 2px 0px rgba(0, 0, 0, 0.75);
  user-select: none;
  -webkit-user-select: none; /* For Safari */
  -moz-user-select: none;    /* For Firefox */
  -ms-user-select: none;     /* For IE/Edge */
}

.guitar-neck .notes .mask ul li.active {
  background: #000000;
  color: #fff;
}

.guitar-neck .notes .mask ul li.active-root {
  background: #fa990f;
  color: #fff;
}

.guitar-neck .notes .mask ul li.inactive {
  background: #e9e9e9;
  color: #404040;
  opacity: 0.8;
}

.guitar-neck .notes .mask.a {
  bottom: 40px;
}
.guitar-neck .notes .mask.d {
  bottom: 76px;
}
.guitar-neck .notes .mask.g {
  bottom: 112px;
}
.guitar-neck .notes .mask.b {
  bottom: 146px;
}
.guitar-neck .notes .mask.high-e {
  bottom: 180px;
}

.footer-link {
  position: fixed;
  bottom: 20px;
  right: 20px;
  font-size: 13px;
  color: #666;
  text-decoration: none;
  background: #f9f9f9;
  padding: 6px 10px;
  border-radius: 6px;
  box-shadow: 0 0 4px rgba(0,0,0,0.1);
}

.footer-link:hover {
  background: #eee;
}

hr {
  border: 1px solid #ccc;
}

#progression-table {
  width: 500px;
  border: 1px solid #ccc;
  border-collapse: collapse;
  width: 100%;
}

#progression-table th, #progression-table td {
  padding: 8px;
  text-align: center;
}

.remove-row {
  font-size: 16px;
  text-decoration: none;
  color: black;
}

#progression-table tbody tr.selected {
	background-color: #e0e0e0;
}

.progress-circle .track {
  display: none;
  fill: none;
  stroke: #ccc;
  stroke-width: 3;
}

.progress-circle .fill {
  fill: none;
  stroke: #4caf50;
  stroke-width: 3;
  stroke-dasharray: 43.98; /* 2 * π * 7 */
  stroke-dashoffset: 43.98;
  transform: rotate(-90deg);
  transform-origin: center;
}