[css-color-5][editorial] Fixed Bikeshed issues

Author: SebastianZ

css-color-5/Overview.bs

@@ -340,7 +340,7 @@ Otherwise, use the specified colorspace for mixing.
 </wpt>
 
 	<!-- @@ Need WPT to test the sum to zero case, to generate transparent black
-	 	https://github.com/w3c/csswg-drafts/issues/11678#issuecomment-2686226875
+		https://github.com/w3c/csswg-drafts/issues/11678#issuecomment-2686226875
 	-->
 
 
@@ -555,7 +555,7 @@ The choice of mixing color space can have a large effect on the end result.
 	chooses to obtain a computed value.
 
 	<!-- detailed calculation is in the file 
-	 	workings/device-cmyk conversion worked example.txt -->
+		workings/device-cmyk conversion worked example.txt -->
 
 	<pre class="lang-css">
 		color-mix(in lab, device-cmyk(0.091777 0.043303 0.312816 0.000000) 100%, yellow);
@@ -1262,7 +1262,7 @@ in the range [0, 360].
 	giving an undesirable reddish tint at the start of the  gradient.
 
 	<figure id="fig-gradient-missing">
-		<img src="./images/rectangular-missing.png" alt="">
+		<img src="./images/rectangular-missing.png" width="775" height="547" alt="">
 		<figcaption>Correct (above) and incorrect (below, reddish) gradients.</figcaption>
 	</figure>
 </div>
@@ -2782,9 +2782,10 @@ or any other color or monochrome output device which has been characterized.
 	for AA large text, as many authors need to meet legal requirements that mandate this.
 
 	<wpt>
+		contrast-color-001.html
 		parsing/color-computed-contrast-color-function.html
 		parsing/color-invalid-contrast-color-function.html
-		parsing/color-valid-contrast-color-function.html 
+		parsing/color-valid-contrast-color-function.html
 	</wpt>
 
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