Responsive Floating Share Buttons Using CSS media queries, you can specify mobile/desktop breakpoints for responsive floating share buttons. For example, it is common to hide a "docked" vertical share bar on the smaller screens of mobile and tablet devices. 

 Html code

<div class="a2a_kit a2a_kit_size_32 a2a_floating_style a2a_vertical_style" data-a2a-scroll-show="520,2500" style="top:150px; right:-10px;">
<a class="a2a_dd" href=""></a>
<a class="a2a_button_facebook"></a>
<a class="a2a_button_twitter"></a>
<a class="a2a_button_email"></a>
script code
<script async src=""></script>