Rollup merge of #75837 - GuillaumeGomez:fix-font-color-help-button, r=Cldfire

Dylan-DPC · web-flow · commit 88c68cae4f6d · 2020-08-27T01:14:13.000+02:00
Fix font color for help button in ayu and dark themes A nice before/after: ![Screenshot from 2020-08-23 14-47-07](https://user-images.githubusercontent.com/3050060/90979230-0dd07400-e554-11ea-85f7-046dfca65e8e.png) ![Screenshot from 2020-08-23 14-47-03](https://user-images.githubusercontent.com/3050060/90979233-145eeb80-e554-11ea-8e63-1864c3f2699b.png) For the ayu theme, the change is very "light", the font color was already close to white, so I unified the color with the pictures of the other buttons: ![Screenshot from 2020-08-23 15-20-45](https://user-images.githubusercontent.com/3050060/90979281-5e47d180-e554-11ea-9993-8595057481ab.png) ![Screenshot from 2020-08-23 15-20-50](https://user-images.githubusercontent.com/3050060/90979279-5daf3b00-e554-11ea-8d39-beb57091aba7.png)
diff --git a/src/librustdoc/html/static/themes/ayu.css b/src/librustdoc/html/static/themes/ayu.css
@@ -495,6 +495,7 @@ kbd {
 #theme-picker, #settings-menu, .help-button {
 	border-color: #5c6773;
 	background-color: #0f1419;
+	color: #fff;
 }
 
 #theme-picker > img, #settings-menu > img {
diff --git a/src/librustdoc/html/static/themes/dark.css b/src/librustdoc/html/static/themes/dark.css
@@ -389,6 +389,7 @@ kbd {
 #theme-picker, #settings-menu, .help-button {
 	border-color: #e0e0e0;
 	background: #f0f0f0;
+	color: #000;
 }
 
 #theme-picker:hover, #theme-picker:focus,

Original file line number	Diff line number	Diff line change
`@@ -495,6 +495,7 @@ kbd {`
`495`	`495`	`#theme-picker, #settings-menu, .help-button {`
`496`	`496`	`border-color: #5c6773;`
`497`	`497`	`background-color: #0f1419;`
	`498`	`+ color: #fff;`
`498`	`499`	`}`
`499`	`500`
`500`	`501`	`#theme-picker > img, #settings-menu > img {`
Original file line number	Diff line number	Diff line change
`@@ -389,6 +389,7 @@ kbd {`
`389`	`389`	`#theme-picker, #settings-menu, .help-button {`
`390`	`390`	`border-color: #e0e0e0;`
`391`	`391`	`background: #f0f0f0;`
	`392`	`+ color: #000;`
`392`	`393`	`}`
`393`	`394`
`394`	`395`	`#theme-picker:hover, #theme-picker:focus,`