Auto merge of #16265 - stshine:oh-box-model, r=emilio

Inherit 'text-overflow' and 'overflow' in text fragment

This is an implementation detail that is necessary for 'text-overflow'
to work properly.

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resources/servo.css

@@ -171,6 +171,8 @@ svg > * {
 /* style for text node. */
 *|*::-servo-text {
     margin: 0;
+    text-overflow: inherit;
+    overflow: inherit;
 }
 
 /* style for text in input elements. */