correcting column size

frontend/src/components/people-list/invite.js

@@ -103,7 +103,7 @@ const Invite = React.createClass({
 
     return (
       <Row>
-        <Column xs={6}>
+        <Column md={6}>
           <p>Search for a person by name or email or enter an email address
             to invite someone new.</p>
 

ui/src/components/column/index.js

@@ -46,7 +46,7 @@ const flexed = (...args) => (props) => {
 };
 
 const flexBasis = width('auto');
-const maxWidth = width('none');
+const maxWidth = width('100%');
 const marginLeft = width(0);
 
 const breakpoint = (prop, size) => {