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/* Keyword value */
column-gap: normal;
/* <length> values */
column-gap: 3px;
column-gap: 2.5em;
/* <percentage> value */
column-gap: 3%;
/* Global values */
column-gap: inherit;
column-gap: initial;
column-gap: revert;
column-gap: revert-layer;
column-gap: unset;
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html { --color: blue }
.with-opacity { background: rgb(from var(--color) r g b / 50%) }