<p class="normal">
  normal<br>
  if fi ff tf ft jf fj
</p>
<p class="none">
  none<br>
  if fi ff tf ft jf fj
</p>
<p class="common-ligatures">
  common-ligatures<br>
  if fi ff tf ft jf fj
</p>
<p class="no-common-ligatures">
  no-common-ligatures<br>
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</p>
<p class="discretionary-ligatures">
  discretionary-ligatures<br>
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</p>
<p class="no-discretionary-ligatures">
  no-discretionary-ligatures<br>
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</p>
<p class="historical-ligatures">
  historical-ligatures<br>
  if fi ff tf ft jf fj
</p>
<p class="no-historical-ligatures">
  no-historical-ligatures<br>
  if fi ff tf ft jf fj
</p>
<p class="contextual">
  contextual<br>
  if fi ff tf ft jf fj
</p>
<p class="no-contextual">
  no-contextual<br>
  if fi ff tf ft jf fj
</p>
<p class="contextual">
  contextual<br>
  if fi ff tf ft jf fj
</p>

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* {
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}

.none {
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}

.common-ligatures {
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}

.no-common-ligatures {
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}

.discretionary-ligatures {
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}

.no-discretionary-ligatures {
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}

.historical-ligatures {
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}

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}

.contextual {
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}

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.contextual {
  font-variant-ligatures: contextual;
}