li span.select2.select2-container {
    width: auto !important;
}

li span.select2 span.select2-selection--single {
    background-color: #e9e9e9 !important;
    outline: none !important;
}
.select2-results{
    background: #ccc;
    color: #fff;
    text-shadow: 1px 2px 1px #666;
    font-weight: bold;
}
.select2-container--default .select2-results__option--highlighted[aria-selected]{
    background-color: #666;
}
span.select2 > button.btn {
    margin-bottom: 0;
    color: #333;
    background-color: #e9e9e9;
    border-color: #ccc;
}
span.select2 > button.btn:focus {
    outline: none !important;
}

span.select2.btn-group > div.dropdown-menu,
span.select2.btn-group > div.dropdown-menu > ul.dropdown-menu
{
    background-color: #ccc;
}
span.select2.btn-group > div.dropdown-menu > ul.dropdown-menu > li {
    display: block !important;
    padding: 1px 1px !important;
}
span.select2.btn-group > div.dropdown-menu > ul.dropdown-menu > li > a {
    text-align: left;
}
span.select2.btn-group > div.dropdown-menu > ul.dropdown-menu > li > a:hover {
    background-color: grey;
    background-image: none;
}

li[aria-selected=true] {
    display: none !important;
}