Less beautify error with Link style states about atom-beautify HOT 4 CLOSED

@import "syntax-variables";
.editor-colors {
    background-color: @syntax-background-color;
    color: @syntax-text-color;
}
.editor {
    background-color: @syntax-background-color;
    color: @syntax-text-color;
    .wrap-guide {
        background-color: @syntax-wrap-guide-color;
    }
    .indent-guide {
        color: @syntax-indent-guide-color;
    }
    .invisible-character {
        color: @syntax-invisible-character-color;
    }
    .gutter {
        background-color: @syntax-gutter-background-color;
        color: @syntax-gutter-text-color;
        .line-number {
            &.cursor-line {
                background-color: @syntax-gutter-background-color-selected;
                color: @syntax-gutter-text-color-selected;
            }
            &.cursor-line-no-selection {
                color: @syntax-gutter-text-color-selected;
            }
        }
    }
}

a {
    display: block;
    font-size: 16px;
    line-height: @headerHeight;
    padding: 0px 15px;
    button {
        font-size: 16px;
    }
    &:link {
        color: @white;
        text-decoration: none;
    }
    &:visited {
        color: @white;
    }
    &:hover {
        color: @orange;
    }
    &.green {
        color: @green;
        &:hover {
            background-color: @green;
            color: @white;
        }
    }