.chosen-container .chosen-drop {
    display:none;
}

.chosen-container-active.chosen-with-drop.dropup .chosen-single{
   border-radius: 0px 0px 5px 5px;
   border-top-width:0px;
}

.chosen-container.chosen-with-drop.dropup .chosen-drop{
   top: auto;
   bottom: 100%;
   display:block;
   border-radius: 4px 4px 0px 0px;
   background-clip: padding-box;
   border-top: 1px solid rgba(82, 168, 236, 0.8);
   border-bottom: 0px;
   box-shadow: 2px -4px 5px rgba(0, 0, 0, 0.15);
}