Select2 4 - Bootstrap 3 Initial less style test

select2.less

.select2-container {
    display: inline-block;
    margin: 0;
    position: relative;
    vertical-align: middle;

    .select2-selection--single {
        cursor: pointer;
        display: block;
        height: @input-height-base;
        user-select: none;
        -webkit-user-select: none;
    }
    .select2-selection--single .select2-selection__rendered {
        display: block;
        padding-left: 8px;
        padding-right: 20px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    &[dir="rtl"] .select2-selection--single .select2-selection__rendered {
        padding-right: 8px;
        padding-left: 20px;
    }
    .select2-selection--multiple {
        cursor: pointer;
        display: block;
        min-height: 32px;
        user-select: none;
        -webkit-user-select: none;
        .select2-selection__rendered {
            display: inline-block;
            overflow: hidden;
            padding-left: 8px;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
    }
    .select2-search--inline {
        float: left;
        .select2-search__field {
            border: none;
            font-size: 100%;
            margin-top: 5px;
        }
        .select2-search__field::-webkit-search-cancel-button {
            -webkit-appearance: none;
        }
    }
}

.select2-dropdown {
    background-color: white;
    border: 1px solid @input-border;
    border-radius: 4px;
    display: block;
    position: absolute;
    left: -100000px;
    width: 100%;
    z-index: 1051;
}

.select2-results {
    display: block;
}

.select2-results__options {
    list-style: none;
    margin: 0;
    padding: 0;
}

.select2-results__option {
    padding: 6px;
    user-select: none;
    -webkit-user-select: none;
}
.select2-results__option[aria-selected] {
    cursor: pointer;
}

.select2-container--open {
    .select2-dropdown {
        left: 0;
    }
    .select2-dropdown--above {
        border-bottom: none;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
    }
    .select2-dropdown--below {
        border-top: none;
        border-top-left-radius: 0;
        border-top-right-radius: 0;
    }
}

.select2-search--dropdown {
    display: block;
    padding: 4px;
    .select2-search__field {
        .form-control-focus();
        padding: 4px;
        width: 100%;
    }
    .select2-search__field::-webkit-search-cancel-button {
        -webkit-appearance: none;
    }
    &.select2-search--hide {
        display: none;
    }
}

.select2-close-mask {
    border: 0;
    margin: 0;
    padding: 0;
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    min-height: 100%;
    min-width: 100%;
    height: auto;
    width: auto;
    opacity: 0;
    z-index: 99;
    background-color: #fff;
    filter: alpha(opacity=0);
}

.select2-hidden-accessible {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}

.select2-container--default {
    .select2-selection--single {
        background-color: #fff;
        border: 1px solid @input-border;
        border-radius: 4px;
        .form-control-focus();
    }
    .select2-selection--single .select2-selection__rendered {
        color: @input-color-placeholder;
        line-height: 28px;
    }
    .select2-selection--single .select2-selection__clear {
        cursor: pointer;
        float: right;
        font-weight: bold;
    }
    .select2-selection--single .select2-selection__placeholder {
        color: #999;
    }
    .select2-selection--single .select2-selection__arrow {
        height: 26px;
        position: absolute;
        top: 1px;
        right: 1px;
        width: 20px;
    }
    .select2-selection--single .select2-selection__arrow b {
        border-color: #888 transparent transparent transparent;
        border-style: solid;
        border-width: 5px 4px 0 4px;
        height: 0;
        left: 50%;
        margin-left: -4px;
        margin-top: -2px;
        position: absolute;
        top: 50%;
        width: 0;
    }
    &[dir="rtl"] .select2-selection--single .select2-selection__clear {
        float: left;
    }
    &[dir="rtl"] .select2-selection--single .select2-selection__arrow {
        left: 1px;
        right: auto;
    }
    &.select2-container--disabled .select2-selection--single {
        background-color: #eee;
        cursor: default;
    }
    &.select2-container--disabled .select2-selection--single .select2-selection__clear {
        display: none;
    }
    &.select2-container--open .select2-selection--single .select2-selection__arrow b {
        border-color: transparent transparent #888 transparent;
        border-width: 0 4px 5px 4px;
    }
    .select2-selection--multiple {
        background-color: white;
        border: 1px solid @input-border;
        border-radius: 4px;
        cursor: text;
    }
    .select2-selection--multiple .select2-selection__rendered {
        list-style: none;
        margin: 0;
        padding: 0 5px;
        width: 100%;
    }
    .select2-selection--multiple .select2-selection__placeholder {
        color: #999;
        margin-top: 5px;
        float: left;
    }
    .select2-selection--multiple .select2-selection__clear {
        cursor: pointer;
        float: right;
        font-weight: bold;
        margin-top: 5px;
        margin-right: 10px;
    }
    .select2-selection--multiple .select2-selection__choice {
        background-color: #e4e4e4;
        border: 1px solid @input-border;
        border-radius: 4px;
        cursor: default;
        float: left;
        margin-right: 5px;
        margin-top: 5px;
        padding: 0 5px;
    }
      .select2-selection--multiple .select2-selection__choice__remove {
        color: #999;
        cursor: pointer;
        display: inline-block;
        font-weight: bold;
        margin-right: 2px;
    }
    .select2-selection--multiple .select2-selection__choice__remove:hover {
        color: #333;
    }
    &[dir="rtl"] .select2-selection--multiple .select2-selection__choice,
    &[dir="rtl"] .select2-selection--multiple .select2-selection__placeholder {
        float: right;
    }
    &[dir="rtl"] .select2-selection--multiple .select2-selection__choice {
        margin-left: 5px;
        margin-right: auto;
    }
    &[dir="rtl"] .select2-selection--multiple .select2-selection__choice__remove {
        margin-left: 2px;
        margin-right: auto;
    }
    &.select2-container--focus .select2-selection--multiple {
        border: solid black 1px;
        outline: 0;
    }
    &.select2-container--disabled .select2-selection--multiple {
        background-color: #eee;
        cursor: default;
    }
    &.select2-container--disabled .select2-selection__choice__remove {
        display: none;
    }
    &.select2-container--open.select2-container--above {
        .select2-selection--single,
        .select2-selection--multiple {
            border-top-left-radius: 0;
            border-top-right-radius: 0;
        }
    }
    &.select2-container--open.select2-container--below {
        .select2-selection--single,
        .select2-selection--multiple {
            border-bottom-left-radius: 0;
            border-bottom-right-radius: 0;
        }
    }
    .select2-search--dropdown .select2-search__field {
        border: 1px solid @input-border;
    }
    .select2-search--inline .select2-search__field {
        background: transparent;
        border: none;
        outline: 0;
    }
    .select2-results > .select2-results__options {
        max-height: 200px;
        overflow-y: auto;
    }
    .select2-results__option[role=group] {
        padding: 0;
    }
    .select2-results__option[aria-disabled=true] {
        color: #999;
    }
    .select2-results__option[aria-selected=true] {
        background-color: @gray;
        color: #fff;
    }
    .select2-results__option {
        .select2-results__option {
            padding-left: 1em;
            .select2-results__group {
                padding-left: 0;
            }
            .select2-results__option {
                margin-left: -1em;
                padding-left: 2em;
                .select2-results__option {
                    margin-left: -2em;
                    padding-left: 3em;
                    .select2-results__option {
                        margin-left: -3em;
                        padding-left: 4em;
                        .select2-results__option {
                            margin-left: -4em;
                            padding-left: 5em;
                            .select2-results__option {
                                margin-left: -5em;
                                padding-left: 6em;
                            }
                        }
                    }
                }
            }
        }
    }
    .select2-results__option--highlighted[aria-selected] {
        background-color: @brand-primary;
        color: white;
    }
    .select2-results__group {
        cursor: default;
        display: block;
        padding: 6px;
    }
}

.select2-container--classic {
    .select2-selection--single {
        background-color: #f6f6f6;
        border: 1px solid @input-border;
        border-radius: 4px;
        outline: 0;
        background-image: -webkit-linear-gradient(top, #ffffff 50%, #eeeeee 100%);
        background-image: -o-linear-gradient(top, #ffffff 50%, #eeeeee 100%);
        background-image: linear-gradient(to bottom, #ffffff 50%, #eeeeee 100%);
        background-repeat: repeat-x;
        filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#eeeeee', GradientType=0);
        &:focus {
            border: 1px solid #5897fb;
        }
        .select2-selection__rendered {
            color: #444;
            line-height: 28px;
        }
        .select2-selection__clear {
            cursor: pointer;
            float: right;
            font-weight: bold;
            margin-right: 10px;
        }
        .select2-selection__placeholder {
            color: #999;
        }
        .select2-selection__arrow {
            background-color: #ddd;
            border: none;
            border-left: 1px solid @input-border;
            border-top-right-radius: 4px;
            border-bottom-right-radius: 4px;
            height: 26px;
            position: absolute;
            top: 1px;
            right: 1px;
            width: 20px;
            background-image: -webkit-linear-gradient(top, #eeeeee 50%, #cccccc 100%);
            background-image: -o-linear-gradient(top, #eeeeee 50%, #cccccc 100%);
            background-image: linear-gradient(to bottom, #eeeeee 50%, #cccccc 100%);
            background-repeat: repeat-x;
            filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#eeeeee', endColorstr='#cccccc', GradientType=0);
        }
        .select2-selection__arrow b {
            border-color: #888 transparent transparent transparent;
            border-style: solid;
            border-width: 5px 4px 0 4px;
            height: 0;
            left: 50%;
            margin-left: -4px;
            margin-top: -2px;
            position: absolute;
            top: 50%;
            width: 0;
        }
    }
    &[dir="rtl"] .select2-selection--single .select2-selection__clear {
        float: left;
    }
    &[dir="rtl"] .select2-selection--single .select2-selection__arrow {
        border: none;
        border-right: 1px solid @input-border;
        border-radius: 0;
        border-top-left-radius: 4px;
        border-bottom-left-radius: 4px;
        left: 1px;
        right: auto;
    }
    &.select2-container--open .select2-selection--single {
        border: 1px solid #5897fb;
    }
    &.select2-container--open .select2-selection--single .select2-selection__arrow {
        background: transparent;
        border: none;
    }
    &.select2-container--open .select2-selection--single .select2-selection__arrow b {
        border-color: transparent transparent #888 transparent;
        border-width: 0 4px 5px 4px;
    }
    &.select2-container--open.select2-container--above .select2-selection--single {
        border-top: none;
        border-top-left-radius: 0;
        border-top-right-radius: 0;
        background-image: -webkit-linear-gradient(top, #ffffff 0%, #eeeeee 50%);
        background-image: -o-linear-gradient(top, #ffffff 0%, #eeeeee 50%);
        background-image: linear-gradient(to bottom, #ffffff 0%, #eeeeee 50%);
        background-repeat: repeat-x;
        filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#eeeeee', GradientType=0);
    }
    &.select2-container--open.select2-container--below .select2-selection--single {
        border-bottom: none;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        background-image: -webkit-linear-gradient(top, #eeeeee 50%, #ffffff 100%);
        background-image: -o-linear-gradient(top, #eeeeee 50%, #ffffff 100%);
        background-image: linear-gradient(to bottom, #eeeeee 50%, #ffffff 100%);
        background-repeat: repeat-x;
        filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#eeeeee', endColorstr='#ffffff', GradientType=0);
    }
    .select2-selection--multiple {
        background-color: white;
        border: 1px solid @input-border;
        border-radius: 4px;
        cursor: text;
        outline: 0;
    }
}
.select2-container--classic {
    .select2-selection--multiple:focus {
        border: 1px solid #5897fb;
    }
    .select2-selection--multiple .select2-selection__rendered {
        list-style: none;
        margin: 0;
        padding: 0 5px;
    }
    .select2-selection--multiple .select2-selection__clear {
        display: none;
    }
    .select2-selection--multiple .select2-selection__choice {
        background-color: #e4e4e4;
        border: 1px solid @input-border;
        border-radius: 4px;
        cursor: default;
        float: left;
        margin-right: 5px;
        margin-top: 5px;
        padding: 0 5px;
    }
    .select2-selection--multiple .select2-selection__choice__remove {
        color: #888;
        cursor: pointer;
        display: inline-block;
        font-weight: bold;
        margin-right: 2px;
    }
    .select2-selection--multiple .select2-selection__choice__remove:hover {
        color: #555;
    }
    &[dir="rtl"] .select2-selection--multiple .select2-selection__choice {
        float: right;
    }
    &[dir="rtl"] .select2-selection--multiple .select2-selection__choice {
        margin-left: 5px;
        margin-right: auto;
    }
    &[dir="rtl"] .select2-selection--multiple .select2-selection__choice__remove {
        margin-left: 2px;
        margin-right: auto;
    }
    &.select2-container--open .select2-selection--multiple {
        border: 1px solid #5897fb;
    }
    &.select2-container--open.select2-container--above .select2-selection--multiple {
        border-top: none;
        border-top-left-radius: 0;
        border-top-right-radius: 0;
    }
    &.select2-container--open.select2-container--below .select2-selection--multiple {
        border-bottom: none;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
    }
    .select2-search--dropdown .select2-search__field {
        border: 1px solid @input-border;
        outline: 0;
    }
    .select2-search--inline .select2-search__field {
        outline: 0;
    }
    .select2-dropdown {
        background-color: white;
        border: 1px solid transparent;
    }
    .select2-dropdown--above {
        border-bottom: none;
    }
    .select2-dropdown--below {
        border-top: none;
    }
    .select2-results > .select2-results__options {
        max-height: 200px;
        overflow-y: auto;
    }
    .select2-results__option[role=group] {
        padding: 0;
    }
    .select2-results__option[aria-disabled=true] {
        color: grey;
    }
    .select2-results__option--highlighted[aria-selected] {
        background-color: @brand-primary;
        color: white;
    }
    .select2-results__group {
        cursor: default;
        display: block;
        padding: 6px;
    }
    &.select2-container--open .select2-dropdown {
        border-color: #5897fb;
    }
}