Fix layout bugs in tweet

app/src/components/tweet/tweet.scss

@@ -1,11 +1,20 @@
 tweet {
-    .retweet-info {
-        font-weight: 250;
-        font-size: 10px;
-        margin-bottom: 8px;
-    }
-    .private {
-        background: #333;
-        color: #efefef;
-    }
-}
+  .item-md {
+    padding-left: 0;
+  }
+  .item-inner {
+    padding-left: 8px;
+  }
+  .label-md {
+    margin-left: 8px;
+  }
+  .retweet-info {
+    font-weight: 250;
+    font-size: 10px;
+    margin-bottom: 8px;
+  }
+  .private {
+    background: #333;
+    color: #efefef;
+  }
+}