diff --git a/css/app.css b/css/app.css
index 8139e3079..73fa15a03 100644
--- a/css/app.css
+++ b/css/app.css
@@ -664,6 +664,13 @@ a:hover .icon.out-link   { background-position: -500px -14px;}
     width: 100%;
 }
 
+.sidebar-component .body {
+    overflow: auto;
+    top: 60px;
+    bottom: 0;
+    position: absolute;
+}
+
 /* Inspector
 ------------------------------------------------------- */
 
@@ -2232,7 +2239,7 @@ img.wiki-image {
     color: #7092FF;
     border-bottom: 1px solid #CCC;
     border-radius: 0;
-    height: 180px;
+    height: 160px;
     text-align: center;
     display: inline-block;
 }
@@ -2240,7 +2247,7 @@ img.wiki-image {
 .modal-actions a {
     /* `button` elements have box-algin: auto, need
     compensate this for `a`*/
-    padding-top: 25px;
+    padding-top: 15px;
 }
 
 .modal-actions button:hover,
diff --git a/js/id/ui/success.js b/js/id/ui/success.js
index 8a461f4dc..40224ffe0 100644
--- a/js/id/ui/success.js
+++ b/js/id/ui/success.js
@@ -25,7 +25,7 @@ iD.ui.Success = function(context) {
             .attr('class', 'modal-actions cf');
 
         links.append('a')
-            .attr('class', 'col4 osm')
+            .attr('class', 'col12 osm')
             .attr('target', '_blank')
             .attr('href', function() {
                 return context.connection().changesetURL(changeset.id);
@@ -33,7 +33,7 @@ iD.ui.Success = function(context) {
             .text(t('view_on_osm'));
 
         links.append('a')
-            .attr('class', 'col4 twitter')
+            .attr('class', 'col12 twitter')
             .attr('target', '_blank')
             .attr('href', function() {
                 return 'https://twitter.com/intent/tweet?source=webclient&text=' +
@@ -42,7 +42,7 @@ iD.ui.Success = function(context) {
             .text(t('success.tweet'));
 
         links.append('a')
-            .attr('class', 'col4 facebook')
+            .attr('class', 'col12 facebook')
             .attr('target', '_blank')
             .attr('href', function() {
                 return 'https://facebook.com/sharer/sharer.php?u=' +