.dropdown-menu > a:hover{
    background-color:transparent;
}

.btn-primary:not([disabled]):not(.disabled).active, .btn-primary:not([disabled]):not(.disabled):active, .show>.btn-primary.dropdown-toggle {
    color: #fff;
    background-color: transparent !important;
    border-color: transparent !important;;
    box-shadow: 0 0 0 0.2rem transparent !important;;
}

.form-control {
    display: block;
    width: 100%;
    height: calc(2.25rem + 2px);
    padding: 0.175rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    box-shadow: inset 0 0 0 transparent;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}