>>>I have another project where the following code works:
>>>
>>>

>>> <div class="container">
>>>           
>>>                <div class="row col-md-offset-1 col-lg-offset-2 hidden-xs"> 
>>>

>>>
>>>So, it must be that I am doing something different in this project. I will keep trying/testing.
>>
>>sure, .hidden-xs and .container are set on different elements, even if contained.
>>
>>you can just do the same, create a
>>

<div class="hidden-sm-low">

>>inside the
>>

<div class="container">

>
>I did exactly what you suggest (code below) but still no go:
>
>

> <div class="container">
>        <div class="hidden-sm-low">
>            <p>Sample text</p>
>        </div>
>   </div>
>

you may need to wrap it inside a row and a column

we can only see from the CSS pane of browser tools