Lightning-Tracker/res/~resources/css/issues.css

.issue-tag:before {
  display: inline-block;
  content: "";
  width: 12px;
  height: 12px;
  margin-right: 2px;
  border-radius: 6px;
  box-shadow: 0 0 1px 1px rgba(0, 0, 0, 0.75) inset, 0 0 3px rgba(0, 0, 0, 0.15) inset;
}

option.issue-tag:before {
  margin-right: 5px;
}

.issue-status-open:before {
  background-color: #d9d9d9;
}

.issue-status-in-progress:before {
  background-color: #dfd925;
}

.issue-status-ready-to-test:before {
  background-color: #0cbad5;
}

.issue-status-blocked:before {
  background-color: #f72319;
}

.issue-status-finished:before {
  background-color: #00d000;
}

.issue-status-rejected:before {
  background-color: #939393;
}

.issue-priority-low:before {
  background-color: #00d000;
}

.issue-priority-medium:before {
  background-color: #dfd925;
}

.issue-priority-high:before {
  background-color: #f72319;
}

.issue-scale-tiny:before {
  background-color: #00d000;
}

.issue-scale-small:before {
  background-color: #a2db04;
}

.issue-scale-medium:before {
  background-color: #dfd925;
}

.issue-scale-large:before {
  background-color: #f28d0a;
}

.issue-scale-massive:before {
  background-color: #f72319;
}

.issue-id {
  font-size: 0.9em;
  letter-spacing: 0.5px;
}