Migrate GUI colors test to original CSS color format

Author: GuillaumeGomez

tests/rustdoc-gui/search-form-elements.goml

@@ -99,41 +99,41 @@ call-function: (
     "check-search-colors",
     {
         "theme": "ayu",
-        "border": "rgb(92, 103, 115)",
-        "background": "rgb(20, 25, 32)",
-        "search_input_color": "rgb(255, 255, 255)",
-        "search_input_border_focus": "rgb(92, 103, 115)",
-        "menu_button_border": "rgb(197, 197, 197)",
-        "menu_button_a_color": "rgb(255, 255, 255)",
-        "menu_button_a_border_hover": "rgb(224, 224, 224)",
-        "menu_a_color": "rgb(57, 175, 215)",
+        "border": "#5c6773",
+        "background": "#141920",
+        "search_input_color": "#fff",
+        "search_input_border_focus": "#5c6773",
+        "menu_button_border": "#c5c5c5",
+        "menu_button_a_color": "#fff",
+        "menu_button_a_border_hover": "#e0e0e0",
+        "menu_a_color": "#39afd7",
     }
 )
 call-function: (
     "check-search-colors",
     {
         "theme": "dark",
-        "border": "rgb(224, 224, 224)",
-        "background": "rgb(240, 240, 240)",
-        "search_input_color": "rgb(17, 17, 17)",
-        "search_input_border_focus": "rgb(0, 141, 253)",
-        "menu_button_border": "rgb(221, 221, 221)",
-        "menu_button_a_color": "rgb(0, 0, 0)",
-        "menu_button_a_border_hover": "rgb(255, 185, 0)",
-        "menu_a_color": "rgb(210, 153, 29)",
+        "border": "#e0e0e0",
+        "background": "#f0f0f0",
+        "search_input_color": "#111",
+        "search_input_border_focus": "#008dfd",
+        "menu_button_border": "#ddd",
+        "menu_button_a_color": "#000",
+        "menu_button_a_border_hover": "#ffb900",
+        "menu_a_color": "#d2991d",
     }
 )
 call-function: (
     "check-search-colors",
     {
         "theme": "light",
-        "border": "rgb(224, 224, 224)",
-        "background": "rgb(255, 255, 255)",
-        "search_input_color": "rgb(0, 0, 0)",
-        "search_input_border_focus": "rgb(102, 175, 233)",
-        "menu_button_border": "rgb(0, 0, 0)",
-        "menu_button_a_color": "rgb(0, 0, 0)",
-        "menu_button_a_border_hover": "rgb(113, 113, 113)",
-        "menu_a_color": "rgb(56, 115, 173)",
+        "border": "#e0e0e0",
+        "background": "#fff",
+        "search_input_color": "#000",
+        "search_input_border_focus": "#66afe9",
+        "menu_button_border": "#000",
+        "menu_button_a_color": "#000",
+        "menu_button_a_border_hover": "#717171",
+        "menu_a_color": "#3873ad",
     }
 )