.js-select2-city + .select2-container,
.js-select2-country + .select2-container,
.js-select2-region + .select2-container {
    width: 100% !important;
}

.js-select2-city + .select2-container .select2-selection--single,
.js-select2-country + .select2-container .select2-selection--single,
.js-select2-region + .select2-container .select2-selection--single {
    box-sizing: border-box;
    display: block;
    height: calc(2.25rem + 2px);
    border: 1px solid #ced4da;
    border-radius: .25rem;
    background-color: #fff;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.js-select2-city + .select2-container .select2-selection__rendered,
.js-select2-country + .select2-container .select2-selection__rendered,
.js-select2-region + .select2-container .select2-selection__rendered {
    padding-left: .75rem;
    padding-right: 2rem;
    line-height: calc(2.25rem + 2px);
    color: #495057;
}

.js-select2-city + .select2-container .select2-selection__placeholder,
.js-select2-country + .select2-container .select2-selection__placeholder,
.js-select2-region + .select2-container .select2-selection__placeholder {
    color: #6c757d;
}

.js-select2-city + .select2-container .select2-selection__arrow,
.js-select2-country + .select2-container .select2-selection__arrow,
.js-select2-region + .select2-container .select2-selection__arrow {
    height: calc(2.25rem + 2px);
    top: 0;
    right: .5rem;
}

.js-select2-city + .select2-container.select2-container--focus .select2-selection--single,
.js-select2-city + .select2-container.select2-container--open .select2-selection--single,
.js-select2-country + .select2-container.select2-container--focus .select2-selection--single,
.js-select2-country + .select2-container.select2-container--open .select2-selection--single,
.js-select2-region + .select2-container.select2-container--focus .select2-selection--single,
.js-select2-region + .select2-container.select2-container--open .select2-selection--single {
    border-color: #80bdff;
    box-shadow: 0 0 0 .2rem rgba(0,123,255,.25);
}