Merge #1242

1242: [UI UPDATE]: Based on issue #1148, widen main to prevent icon overflow r=carols10cents

Slight widening to the `main` section of a given crates page based on issue #1148, overflow now prevented

Author: bors-voyager[bot]

app/styles/crate.scss

@@ -212,7 +212,7 @@
     border-bottom: 5px solid $gray-border;
     margin-bottom: 20px;
 
-    @media only screen and (min-width: 820px) {
+    @media only screen and (min-width: 890px) {
         @include flex-direction(row);
 
         .docs {