body {font-size:14px;letter-spacing: 0.05em;}
/*on*/
#style_switch li#small a { background-position: 0 -22px;}

#style_switch li#middle a{ background-position: -25px 0px ;}
#style_switch li#large a { background-position: -50px 0px;}

.bnavi li a span{font-size:15px!important;}