-webkit-line-clamp - CSS: Cascading Style Sheets
the -webkit-line-clamp css property allows limiting of the contents of a block container to the specified number of lines.
...the css overflow module level 3 specification also defines a line-clamp property, which is meant to replace this property and avoid its issues.
... syntax /* keyword value */ -webkit-line-clamp: none; /* <integer> values */ -webkit-line-clamp: 3; -webkit-line-clamp: 10; /* global values */ -webkit-line-clamp: inherit; -webkit-line-clamp: initial; -webkit-line-clamp: unset; none this value specifies that the content wonʼt be clamped.
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Animatable CSS properties - CSS: Cascading Style Sheets
the animatable properties are: -moz-outline-radius -moz-outline-radius-bottomleft -moz-outline-radius-bottomright -moz-outline-radius-topleft -moz-outline-radius-topright -webkit-line-clamp -webkit-text-fill-color -webkit-text-stroke -webkit-text-stroke-color all backdrop-filter background background-color background-position background-size block-size border border-block-end border-block-end-color border-block-end-width border-block-start border-block-start-color border-block-start-width border-bottom ...
... font-size-adjust font-stretch font-variation-settings font-weight gap grid-column-gap grid-gap grid-row-gap grid-template-columns grid-template-rows height inline-size inset inset-block inset-block-end inset-block-start inset-inline inset-inline-end inset-inline-start left letter-spacing line-clamp line-height margin margin-block-end margin-block-start margin-bottom margin-inline-end margin-inline-start margin-left margin-right margin-top mask mask-border mask-position mask-size max-block-size max-height max-inline-size max-lines max-width min-block-size min-height min-inline-size ...

CSS Overflow - CSS: Cascading Style Sheets
reference css properties overflow overflow-block overflow-inline overflow-x overflow-y text-overflow block-overflow line-clamp max-lines continue non-standard properties -webkit-line-clamp specifications specification status comment css overflow module level 3the definition of 'overflow' in that specification.

CSS reference - CSS: Cascading Style Sheets
--webkit-line-clampa:activeadditive-symbols (@counter-style)::after (:after)align-contentalign-itemsalign-selfall<an-plus-b><angle><angle-percentage>animationanimation-delayanimation-directionanimation-durationanimation-fill-modeanimation-iteration-countanimation-nameanimation-play-stateanimation-timing-function@annotationannotation()attr()b::backdropbackdrop-filterbackface-visibilitybackgroundbackground-attachmentb...

WebKit CSS extensions - CSS: Cascading Style Sheets
efore -webkit-column-break-inside -webkit-column-progression -webkit-cursor-visibility d-i -webkit-dashboard-region -webkit-font-size-delta -webkit-font-smoothing -webkit-highlight -webkit-hyphenate-character -webkit-hyphenate-limit-after -webkit-hyphenate-limit-before -webkit-hyphenate-limit-lines -webkit-initial-letter l -webkit-line-align -webkit-line-box-contain -webkit-line-clamp -webkit-line-grid -webkit-line-snap -webkit-locale -webkit-logical-height -webkit-logical-width m -webkit-margin-after-collapse -webkit-margin-after -webkit-margin-before-collapse -webkit-margin-before -webkit-margin-bottom-collapse -webkit-margin-collapse -webkit-margin-end** -webkit-margin-start** -webkit-margin-top-collapse -webkit-marquee-direction -webkit-marquee-incremen...