[css-color-5] formatting for clarity

Author: Chris Lilley

css-color-5/Overview.bs

@@ -277,13 +277,13 @@ Selecting the most contrasting color: the ''color-contrast()'' function {#colorc
 
 		The calculation is as follows:
 			* <span class="swatch" style="--color: wheat"></span> wheat (#f5deb3), the background, has relative luminance 0.749
-			* <span class="swatch" style="--color: tan"></span> tan (#d2b48c) has relative luminance 0.482 and contrast ratio 1.501
-			* <span class="swatch" style="--color: sienna"></span> sienna (#a0522d) has relative luminance 0.137 and contrast ratio 4.273
+			* <span class="swatch" style="--color: tan"></span> tan (#d2b48c) has relative luminance 0.482 and contrast ratio <strong>1.501</strong>
+			* <span class="swatch" style="--color: sienna"></span> sienna (#a0522d) has relative luminance 0.137 and contrast ratio <strong>4.273</strong>
 
 		Suppose myAccent has the value <span class="swatch" style="--color: #b22222"></span>  #b22222:
-			* #b22222 has relative luminance 0.107 and contrast ratio 5.081
-			* <span class="swatch" style="--color: #d2691e"></span> #d2691e has relative luminance 0.305 and contrast ratio 2.249
-		The highest contrast ratio is 5.081 so var(--myAccent) wins
+			* #b22222 has relative luminance 0.107 and contrast ratio <strong>5.081</strong>
+			* <span class="swatch" style="--color: #d2691e"></span> #d2691e has relative luminance 0.305 and contrast ratio <strong>2.249</strong>
+		The highest contrast ratio is <strong>5.081</strong> so var(--myAccent) wins
 
 	</div>
 
@@ -308,9 +308,9 @@ Selecting the most contrasting color: the ''color-contrast()'' function {#colorc
 		The calculation is as follows:
 
 			* <span class="swatch" style="--color: hsl(200 50% 80%)"></span> --bg is rgb(179 213 230) which has relative luminance 0.628835
-			* <span class="swatch" style="--color: hsl(200 83% 23%)"></span> hsl(200 83% 23%) is rgb(10 75 107) which has relative luminance 0.061575 and contrast ratio 6.08409
-			* <span class="swatch" style="--color: purple"></span> purple is rgb(128 0 128) which has relative luminance 0.061487 and contrast ratio 6.08889
-			* <span class="swatch" style="--color: hsl(300 100% 25%)"></span> --purple-in-hsl is also rgb(128 0 128) which has relative luminance 0.061487 and contrast ratio 6.08889. This is not greater than the contrast for purple, so purple wins.
+			* <span class="swatch" style="--color: hsl(200 83% 23%)"></span> hsl(200 83% 23%) is rgb(10 75 107) which has relative luminance 0.061575 and contrast ratio <strong>6.08409</strong>
+			* <span class="swatch" style="--color: purple"></span> purple is rgb(128 0 128) which has relative luminance 0.061487 and contrast ratio <strong>6.08889</strong>
+			* <span class="swatch" style="--color: hsl(300 100% 25%)"></span> --purple-in-hsl is also rgb(128 0 128) which has relative luminance 0.061487 and contrast ratio <strong>6.08889</strong>. This is not greater than the contrast for purple, so purple wins.
 
 		The calculated values here are shown to six significant figures, to demonstrate that early rounding to a lower precision would have given the wrong result (0.061575 is very close to 0.061487;
 		6.08409 is very close to 6.08889).