[css-color-4][editorial] Silence bs tab-space whining

Author: svgeesus

css-color-4/Overview.bs

@@ -605,7 +605,7 @@ Transparency: the 'opacity' property</h3>
 		animation/opacity-interpolation.html
 		canvas-change-opacity.html
 		animation/opacity-animation-ending-correctly-001.html
-  		animation/opacity-animation-ending-correctly-002.html
+		animation/opacity-animation-ending-correctly-002.html
 	</wpt>
 
 	<dl>
@@ -3141,7 +3141,7 @@ Specifying Lab and LCH: the ''lab()'' and ''lch()'' functional notations</h3>
 		lch-007.html
 		lch-008.html
 		lch-009.html
-  		lch-010.html
+		lch-010.html
 		parsing/color-valid.html
 	</wpt>
 
@@ -3302,7 +3302,7 @@ Specifying Lab and LCH: the ''lab()'' and ''lch()'' functional notations</h3>
 			oklch-007.html
 			oklch-008.html
 			oklch-009.html
-  			oklch-010.html
+			oklch-010.html
 			parsing/color-valid.html
 		</wpt>
 
@@ -3336,7 +3336,6 @@ Specifying Lab and LCH: the ''lab()'' and ''lch()'' functional notations</h3>
 		or ''100%'',
 		both the hue and chroma components are [=powerless=].
 
-
 		<div class="example" id="ex-oklch-samples">
 			<pre class="lang-css">
 				<span class="swatch" style="--color: rgb(49.06% 13.87% 15.9%)"></span> oklch(40.101% 0.12332 21.555);