#block-navegacionprincipal-negociacion > ul > li:hover ul {    
  -webkit-transform: translate(0px, 35%) !important;
  -o-transform: translate(0px, 35%) !important;
  transform: translate(0px, 35%) !important; 
}

.sidebar .block .dropdown-menu {  
  -webkit-transform: translate(0px, 35%) !important;
  -o-transform: translate(0px, 35%) !important;
  transform: translate(0px, 35%) !important; 
}