Add contributors to the doc + set visisted links to the same color as normal links

Author: azerupi

book-example/src/misc/contributors.md

@@ -1 +1,13 @@
 # Contributors
+
+Here is a list of the contributors who have helped improving mdBook. Big shout-out to them!
+
+If you have contributed to mdBook and I forgot to add you, don't hesitate to add yourself to the list. If you are in the list, feel free to add your real name & contact information if you wish.
+
+- [mdinger](https://github.com/mdinger)
+- Kevin ([kbknapp](https://github.com/kbknapp))
+- Steve Klabnik ([steveklabnik](https://github.com/steveklabnik))
+- Adam Solove ([asolove](https://github.com/asolove))
+- Wayne Nilsen ([waynenilsen](https://github.com/waynenilsen))
+- [funnkill](https://github.com/funkill)
+- Fu Gangqiang ([FuGangqiang](https://github.com/FuGangqiang))

src/theme/book.css

@@ -343,7 +343,8 @@ h5 {
 .light .mobile-nav-chapters {
   background-color: #fafafa;
 }
-.light .content a:link {
+.light .content a:link,
+.light a:visited {
   color: #4183c4;
 }
 .light .theme-popup {
@@ -412,7 +413,8 @@ h5 {
 .coal .mobile-nav-chapters {
   background-color: #292c2f;
 }
-.coal .content a:link {
+.coal .content a:link,
+.coal a:visited {
   color: #2b79a2;
 }
 .coal .theme-popup {
@@ -481,7 +483,8 @@ h5 {
 .navy .mobile-nav-chapters {
   background-color: #282d3f;
 }
-.navy .content a:link {
+.navy .content a:link,
+.navy a:visited {
   color: #2b79a2;
 }
 .navy .theme-popup {
@@ -550,7 +553,8 @@ h5 {
 .rust .mobile-nav-chapters {
   background-color: #3b2e2a;
 }
-.rust .content a:link {
+.rust .content a:link,
+.rust a:visited {
   color: #2b79a2;
 }
 .rust .theme-popup {

src/theme/stylus/themes/base.styl

@@ -37,7 +37,7 @@
         a { color: $sidebar-fg }
 
         .active,
-         a:hover {
+         a:hover, {
             /* Animate color change */
             color: $sidebar-active
         }
@@ -67,7 +67,7 @@
         background-color: $sidebar-bg
     }
 
-    .content a:link {
+    .content a:link, a:visited {
         color: $links
     }