rustdoc: make toggle buttons a bit bigger

Author: notriddle

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

@@ -1594,13 +1594,13 @@ details.toggle > summary.hideme > span {
 
 details.toggle > summary::before {
 	/* toggle plus */
-	background: url('data:image/svg+xml,<svg width="17" height="17" stroke="black" fill="none" \
-xmlns="http://www.w3.org/2000/svg"><path d="M2.5 2.5h12v12h-12v-12.5" \
-shape-rendering="crispEdges"/><path d="M6 8.5h5M8.5 11.5V5.5"/></svg>') no-repeat top left;
+	background: url('data:image/svg+xml,<svg width="19" height="19" stroke="black" fill="none" \
+xmlns="http://www.w3.org/2000/svg"><path d="M2.5 2.5h14v14h-14v-14.5" \
+shape-rendering="crispEdges"/><path d="M6 9.5h7M9.5 13.5V5.5"/></svg>') no-repeat top left;
 	content: "";
 	cursor: pointer;
-	width: 16px;
-	height: 16px;
+	width: 18px;
+	height: 18px;
 	display: inline-block;
 	vertical-align: middle;
 	opacity: .5;
@@ -1675,9 +1675,9 @@ details.toggle[open] > summary.hideme > span {
 
 details.toggle[open] > summary::before {
 	/* toggle minus */
-	background: url('data:image/svg+xml,<svg width="17" height="17" \
+	background: url('data:image/svg+xml,<svg width="19" height="19" \
 shape-rendering="crispEdges" stroke="black" fill="none" xmlns="http://www.w3.org/2000/svg"><path \
-d="M2.5 2.5h12v12h-12v-12.5"/><path d="M6 8.5h5"/></svg>') no-repeat top left;
+d="M2.5 2.5h14v14h-14v-14.5"/><path d="M6 9.5h7"/></svg>') no-repeat top left;
 }
 
 details.toggle[open] > summary::after {