intellArchives/system/target/classes/static/task/display/displaymodel.css

div[class*='ui-tooltip-kisbpm-'] {
    background-color: #ffffff;
    border-color: #c5c5c5;
    color: #4a4a4a;
    font-family: Verdana;
    font-size: 12px;
}

div[class*='ui-tooltip-kisbpm-'] .qtip-content {
  color: #4a4a4a;
  background-color: #ffffff;
  font-family: Verdana;
  font-size: 12px;
}

.ui-tooltip-kisbpm-bpmn .qtip-titlebar {
  color: #FFFFFF;
  font-size: 12px;
  background: #2B414F;
}

.ui-tooltip-kisbpm-bpmn .qtip-tip {
  background-color: #2B414F;
}