Pull the "Expand" / "Collapse" text to the end of the line, instead of start

Author: notriddle

src/librustdoc/html/static/css/rustdoc.css

@@ -1508,24 +1508,29 @@ details.rustdoc-toggle > summary.hideme > span {
 }
 
 details.rustdoc-toggle > summary::before {
-	content: "Expand";
-	font-weight: 300;
-	font-size: 0.8em;
-	letter-spacing: 1px;
+	content: " ";
 	cursor: pointer;
 	width: 17px;
 	height: max(17px, 1.1em);
 	background: data-url(plus-17x17.png) no-repeat top left;
 	display: inline-block;
 	vertical-align: middle;
 	opacity: .5;
-	text-indent: 17px;
+}
+
+/* Screen readers see the text version at the end the line.
+	Visual readers see the icon at the start of the line, but small and transparent. */
+details.rustdoc-toggle > summary::after {
+	content: "Expand";
 	overflow: hidden;
+	width: 0;
+	height: 0;
+	position: absolute;
 }
 
-details.rustdoc-toggle > summary.hideme::before {
+details.rustdoc-toggle > summary.hideme::after {
 	/* "hideme" toggles already have a description when they're contracted */
-	content: " ";
+	content: "";
 }
 
 details.rustdoc-toggle > summary:focus::before {
@@ -1588,6 +1593,11 @@ details.rustdoc-toggle[open] > summary.hideme::before {
 	height: max(17px, 1.1em);
 	background: data-url(minus-17x17.png) no-repeat top left;
 	display: inline-block;
+	content: " ";
+}
+
+details.rustdoc-toggle[open] > summary::after,
+details.rustdoc-toggle[open] > summary.hideme::after {
 	content: "Collapse";
 }