#Web_Main_Head {min-height:209px;}
 #Web_Main_Head {background-color:#fff;}
 #Web_Main_Head {background-image:url(https://koss.iyong.com/swift/v1/iyong_public/iyong_4166145176293632/image/20210320/1616179569539086586.jpg);}
 #Web_Main_Head {background-repeat:repeat-x;background-position:top;}
 #Web_Main_Head {background-attachment:scroll;}
 #Web_Main_Footer {background-color:#0366c1;}
 #Web_Main_Footer {background-image:url(https://koss.iyong.com/swift/v1/iyong_public/iyong_4166145176293632/image/20210320/1616187532170021185.jpg);}
 #Web_Main_Footer {background-image:none;}
 #Web_Main_Footer .sectionheight{margin-left:0px;margin-top:330px;margin-right:0px;margin-bottom:10px;}