Source: dist/css/acc_uc.css, line 8274
6.15 Width
Control some basics of the design with max-width and width.
Control the width percents.
 [modifier class]    
 w_auto    
 w_0  
 w_5  
 w_10  
 w_15  
 w_20  
 w_25  
 w_30  
 w_35  
 w_40  
 w_45  
 w_50  
 w_55  
 w_60  
 w_65  
 w_70  
 w_75  
 w_80  
 w_85  
 w_90  
 w_95  
 w_100  
 w_1-third    
 w_2-thirds