:block(attach):mod(theme simple) {
    display: inline-block;

    white-space: nowrap;

    :block(attach):elem(control) {
        position: absolute;
        z-index: 2;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;

        width: 100%;
        margin: 0;

        cursor: pointer;

        opacity: 0;
    }

    :block(attach):elem(file),
    :block(attach):elem(no-file) {
        display: inline;

        margin-left: 0.5em;
    }

    :block(attach):elem(clear) {
        margin-left: 5px;

        cursor: pointer;

        &:before {
            content: '×';
        }
    }

    &:block(attach):mod(disabled) {
        :block(attach):elem(file),
        :block(attach):elem(no-file) {
            opacity: 0.6;
        }
    }

    :block(button) {
        position: relative;

        &:elem(text) {
            display: inline;

            z-index: 1;
        }
    }
}