.icon-button.run-button::before {
  content: url('../images/fontawesome/play/light/default.svg')
}
.icon-button.run-button:disabled::before {
  content: url('../images/fontawesome/play/light/default.svg')
}
.icon-button.run-button:focus::before {
  content: url('../images/fontawesome/play/light/default.svg')
}
.icon-button.run-button:hover::before {
  content: url('../images/fontawesome/play/light/hover.svg')
}
.icon-button.run-button:active::before {
  content: url('../images/fontawesome/play/light/hover.svg')
}
.icon-button.run-button.selected::before {
  content: url('../images/fontawesome/play/light/selected.svg')
}
.theme-dark .icon-button.run-button::before {
  content: url('../images/fontawesome/play/dark/default.svg')
}
.theme-dark .icon-button.run-button:disabled::before {
  content: url('../images/fontawesome/play/dark/default.svg')
}
.theme-dark .icon-button.run-button:focus::before {
  content: url('../images/fontawesome/play/dark/default.svg')
}
.theme-dark .icon-button.run-button:hover::before {
  content: url('../images/fontawesome/play/dark/hover.svg')
}
.theme-dark .icon-button.run-button:active::before {
  content: url('../images/fontawesome/play/dark/hover.svg')
}
.theme-dark .icon-button.run-button.selected::before {
  content: url('../images/fontawesome/play/dark/selected.svg')
}
.fas.fa-clock::before {
  content: url('../images/fontawesome/clock/light/default.svg')
}
.theme-dark .fas.fa-clock::before {
  content: url('../images/fontawesome/clock/dark/default.svg')
}