improves colours contrast

app/assets/stylesheets/_settings.scss

@@ -57,15 +57,15 @@ $brand:             #004A83;
 $dark:              darken($brand, 10%);
 
 $text:              #222222;
-$text-medium:       #999999;
-$text-light:        #CCCCCC;
+$text-medium:       #515151;
+$text-light:        #BFBFBF;
 
 $border:            #DEE0E3;
 
-$link:              #2895F1;
+$link:              $brand;
 $link-hover:        darken($link, 20%);
 
-$debates:           #008CCF;
+$debates:           $brand;
 
 $like:              #7BD2A8;
 $unlike:            #EF8585;
@@ -74,6 +74,7 @@ $delete:            #F04124;
 $check:             #46DB91;
 
 $proposals:         #FFA42D;
+$proposals-dark:    #794500;
 
 $budget:            #454372;
 $budget-hover:      #7571BF;

app/assets/stylesheets/layout.scss

@@ -56,6 +56,7 @@ a {
   }
 
   &:focus {
+    color: $link-hover;
     outline: 3px solid #ffbf47;
   }
 }
@@ -258,6 +259,10 @@ a {
   margin: 0 $line-height/2;
 }
 
+.pagination .current {
+  background: $brand;
+}
+
 // 02. Header
 // ----------
 

app/assets/stylesheets/participation.scss

@@ -528,7 +528,7 @@
     }
 
     .label-proposal {
-      color: $proposals;
+      color: $proposals-dark;
     }
 
     .label-investment-project {
@@ -566,7 +566,7 @@
     }
 
     .icon-proposals {
-      color: $proposals;
+      color: $proposals-dark;
     }
 
     .icon-budget {