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.open > .dropdown-menu {
  -webkit-transform: scale(1, 1);
  transform: scale(1, 1);  
  
}
.open > .dropdown-menu li a {
  color: #000;  
}
.dropdown-menu li a{
  color: #fff;
}
.dropdown-menu {
  -webkit-transform-origin: top;
  transform-origin: top;
  -webkit-animation-fill-mode: forwards;  
  animation-fill-mode: forwards; 
  -webkit-transform: scale(1, 0);
  display: block;
  
  transition: all 0.2s ease-out;
  -webkit-transition: all 0.2s ease-out;
}
.dropup .dropdown-menu {
  -webkit-transform-origin: bottom;
  transform-origin: bottom;  
}

.navbar .nav > li > .dropdown-menu:after {

}
.dropup > .dropdown-menu:after {
  border-bottom: 0;
  border-top: 6px solid rgba(39, 45, 51, 0.9);
  top: auto;
  display: inline-block;
  bottom: -6px;
  content: '';
  position: absolute;
  left: 50%;
  border-right: 6px solid transparent;
  border-left: 6px solid transparent;
}