change col size for phones

src/client/js/components/Admin/Security/BasicSecuritySetting.jsx

@@ -68,7 +68,7 @@ class BasicSecurityManagement extends React.Component {
         )}
 
         <div className="row mb-5">
-          <div className="col-6 offset-3">
+          <div className="col-md-6 offset-md-3">
             <div className="custom-control custom-switch custom-checkbox-success">
               <input
                 id="isBasicEnabled"
@@ -95,7 +95,7 @@ class BasicSecurityManagement extends React.Component {
         {isBasicEnabled && (
         <React.Fragment>
           <div className="row mb-5">
-            <div className="offset-3 col-6">
+            <div className="offset-md-3 col-md-6">
               <div className="custom-control custom-checkbox custom-checkbox-success">
                 <input
                   id="bindByEmail-basic"