.dropdown-menu{display:none;}
.nav li:hover .dropdown-menu{display:block;}

@media (max-width: 1200px) and (min-width: 993px){
  nav.navbar.bootsnav ul.nav > li {
    width: 8%;}

}

@media (max-width: 1191px){
.pic{max-width: 49%;}
.new .new_bt{max-width: 48%;}
}

@media (max-width: 823px){
.pic {
    max-width: 100%;}
.new .new_bt {
    max-width: 100%;}
.pic {
   height:auto;}
}