Rollup merge of #103938 - notriddle:notriddle/search-results-border-b…

…ottom, r=GuillaumeGomez

rustdoc: clean up hardcoded CSS border color on search results

Hardcoded colors in rustdoc.css should usually be avoided.

Preview: http://notriddle.com/notriddle-rustdoc-demos/border-bottom-search/test_dingus/?search=test

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

@@ -894,7 +894,7 @@ so that we can apply CSS-filters to change the arrow color in themes */
  /* A little margin ensures the browser's outlining of focused links has room to display. */
  margin-left: 2px;
  margin-right: 2px;
- border-bottom: 1px solid #aaa3;
+ border-bottom: 1px solid var(--border-color);
 }
 
 .search-results > a > div {
@@ -1874,7 +1874,6 @@ in storage.js
 
  /* Display an alternating layout on tablets and phones */
  .search-results > a {
- border-bottom: 1px solid #aaa9;
  padding: 5px 0px;
  }
  .search-results .result-name, .search-results div.desc {

src/test/rustdoc-gui/search-result-color.goml

@@ -75,6 +75,12 @@ assert-css: (
  {"color": "rgb(0, 150, 207)"},
 )
 
+// Checking the color of the bottom border.
+assert-css: (
+ ".search-results > a",
+ {"border-bottom-color": "rgb(92, 103, 115)"}
+)
+
 // Checking the color of "keyword" text.
 assert-css: (
  "//*[@class='result-name']//*[text()='(keyword)']",
@@ -181,6 +187,12 @@ assert-css: (
  {"color": "rgb(221, 221, 221)"},
 )
 
+// Checking the color of the bottom border.
+assert-css: (
+ ".search-results > a",
+ {"border-bottom-color": "rgb(224, 224, 224)"}
+)
+
 // Checking the color for "keyword" text.
 assert-css: (
  "//*[@class='result-name']//*[text()='(keyword)']",
@@ -272,6 +284,12 @@ assert-css: (
  {"color": "rgb(0, 0, 0)"},
 )
 
+// Checking the color of the bottom border.
+assert-css: (
+ ".search-results > a",
+ {"border-bottom-color": "rgb(224, 224, 224)"}
+)
+
 // Checking the color for "keyword" text.
 assert-css: (
  "//*[@class='result-name']//*[text()='(keyword)']",