body {width: 320px;font: 12pt Helvetica, sans-serif;} 

img, table { max-width: 320px;} 

.mobile_hidden {display:none;} 

.mad { display:block;visibility:visible}

.mfloatr{ float:right;}

.show_mobile{display:block;visibility:visible}
.noshow_mobile{display:none;visibility:hidden}