adds progress bar styles

app/assets/stylesheets/participation.scss

@@ -1155,6 +1155,45 @@ ul.ballot-list {
   }
 }
 
+.progress-bar-nav {
+  padding: $line-height 0;
+  position: relative;
+  z-index: 3;
+
+  @include breakpoint(medium) {
+    background-color: $budget;
+    -webkit-transition: height 0.3s;
+    -moz-transition: height 0.3s;
+    transition: height 0.3s;
+
+    h1 {
+      -webkit-transition: font-size 0.3s;
+      -moz-transition: font-size 0.3s;
+      transition: font-size 0.3s;
+    }
+
+    h2 {
+      margin-bottom: 0;
+    }
+
+    &.is-fixed {
+      height: auto;
+      left: 0;
+      padding: $line-height;
+      position: fixed;
+      top: 0;
+      width: 100%;
+
+      h1 {
+        font-size: rem-calc(24);
+        -webkit-transition: font-size 0.3s;
+        -moz-transition: font-size 0.3s;
+        transition: font-size 0.3s;
+      }
+    }
+  }
+}
+
 // 07. Proposals successfull
 // -------------------------