@media(min-width:768px){
 .main{position:relative}
 .main>.leftpanelmain{position:absolute;top:130px;bottom:0;left:0;width:13%;max-height:none;min-height:0;overflow:visible}
 .main>.leftpanelmain>.button_groupmain{position:sticky;top:130px;left:auto;width:100%;max-height:calc(100dvh - 145px);overflow-y:auto;overflow-x:hidden;margin:0;border-right:1px solid #424242;background:#fff}
 .main>.leftpanelmain .button-faq{width:100%;overflow-wrap:anywhere}
 .headermenu{z-index:1200}
}