body:after {
  background: green;
  content: " SM ";
}
/****** CONTENT SM *****/
/*
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To change this template file, choose Tools | Templates
and open the template in the editor.
*/
/* 
    Created on : Mar 26, 2018, 11:11:52 AM
    Author     : mv
*/
/** based on bootstrap **/
/*
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To change this template file, choose Tools | Templates
and open the template in the editor.
*/
/* 
    Created on : Mar 27, 2018, 3:04:21 PM
    Author     : mv
*/
/*
To change this license header, choose License Headers in Project Properties.
To change this template file, choose Tools | Templates
and open the template in the editor.
*/
/* 
    Created on : Mar 26, 2018, 3:44:48 PM
    Author     : mv
*/
.visible-sm {
  display: block;
}
.invisible-sm {
  display: none;
}