diff -u b/core/themes/bartik/css/components/field.css b/core/themes/bartik/css/components/field.css
--- b/core/themes/bartik/css/components/field.css
+++ b/core/themes/bartik/css/components/field.css
@@ -42,10 +42,32 @@
   float: right;
   padding: 0 0 0 1em;
 }
+@media all and (min-width: 560px) {
+  .node .field--type-image {
+    float: left; /* LTR */
+    margin: 0 1em 0 0; /* LTR */
+  }
+  [dir="rtl"] .node .field--type-image {
+    float: right;
+    margin: 0 0 0 1em;
+  }
+  .node .field--type-image + .field--type-image {
+    clear: both;
+  }
+  .node .align-center .field--type-image {
+    float: none;
+  }
+}
 .field--type-image img,
 .field--name-user-picture img {
   margin: 0 0 1em;
 }
+.align-center .field--type-image img,
+.align-center .field--name-user-picture img {
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+}
 .field--type-image a {
   border-bottom: none;
 }