At some point the importer will not work.
See my example below. I can't find any obvious issue why it wont import.
///////////////////////////////////////////////////////////////////////////////
magic-bootstrap.less
///////////////////////////////////////////////////////////////////////////////
/*
**/
// Grays
@gray-darker: #222222;
@gray-dark: #35363a;
@gray: #555555;
@Gray-Light: #999999;
@gray-lighter: #f2f2f2;
// Brand Colors
@brand-primary: #cc181e;
@brand-success: #39b54a;
@brand-warning: #f25d18;
@brand-danger: #ffd101;
@brand-info: #5bc0de;
// Scaffolding
@body-bg: #111111;
@text-color: @gray-lighter;
@link-color: @brand-primary;
@link-hover-color: darken(@link-color, 15%);
@padding-base-vertical: 6px;
@padding-base-horizontal: 12px;
@padding-large-vertical: 10px;
@padding-large-horizontal: 16px;
@padding-small-vertical: 5px;
@padding-small-horizontal: 10px;
@border-radius-base: 8px;
@border-radius-large: 12px;
@border-radius-small: 4px;
@line-height-large: 1.33;
@line-height-small: 1.5;
@component-active-bg: @brand-primary;
// Typography
@font-family-sans-serif: Arial;
@font-family-serif: PT Serif;
@font-family-monospace: Monaco;
@font-family-base: @font-family-sans-serif;
@font-size-base: 16px;
@font-size-large: ceil(@font-size-base * 1.25);
@font-size-small: ceil(@font-size-base * 0.85);
@line-height-base: 1.428571429;
@line-height-computed: floor(@font-size-base * @line-height-base);
@headings-font-family: @font-family-base;
@headings-font-weight: bold;
@headings-line-height: 1.1;
// Buttons
@btn-font-weight: normal;
@btn-default-color: @gray-lighter;
@btn-default-bg: @gray-dark;
@btn-default-border: darken(@gray,5%);
@btn-primary-color: @gray-lighten;
@btn-primary-bg: @brand-primary;
@btn-primary-border: darken(@btn-primary-bg, 5%);
@btn-success-color: #fff;
@btn-success-bg: @brand-success;
@btn-success-border: darken(@btn-success-bg, 5%);
@btn-warning-color: #fff;
@btn-warning-bg: @brand-warning;
@btn-warning-border: darken(@btn-warning-bg, 5%);
@btn-danger-color: #000;
@btn-danger-bg: @brand-danger;
@btn-danger-border: darken(@btn-danger-bg, 5%);
@btn-info-color: @gray-lighter;
@btn-info-bg: @brand-info;
@btn-info-border: darken(@btn-info-bg, 5%);
@btn-link-disabled-color: @Gray-Light;
// Dropdowns
@dropdown-bg: rgba(53,54,58,.60);
@dropdown-border: rgba(53,54,58,.75);
@dropdown-divider-bg: @gray-darker;
@dropdown-link-active-color: #fff;
@dropdown-link-active-bg: @component-active-bg;
@dropdown-link-color: @gray-lighter;
@dropdown-link-hover-color: #fff;
@dropdown-link-hover-bg: darken(@dropdown-link-active-bg, 10%);
@dropdown-link-disabled-color: @gray-dark;
@dropdown-header-color: @gray;
@dropdown-caret-color: @brand-primary;
// Forms
@input-bg: @gray-dark;
@input-bg-disabled: @gray-darker;
@input-color: @gray-lighter;
@input-border: @gray-dark;
@input-border-radius: @border-radius-base;
@input-color-placeholder: @Gray-Light;
@input-height-base: (@line-height-computed + (@padding-base-vertical * 2) + 2);
@input-height-large: (floor(@font-size-large * @line-height-large) + (@padding-large-vertical * 2) + 2);
@input-height-small: (floor(@font-size-small * @line-height-small) + (@padding-small-vertical * 2) + 2);
@legend-color: @gray-dark;
@legend-border-color: #e5e5e5;
@input-group-addon-bg: @gray-darker;
@input-group-addon-border-color: @input-border;
// Table
@table-cell-padding: 8px;
@table-condensed-cell-padding: 5px;
@table-cell-padding: 8px;
@table-condensed-cell-padding: 5px;
@table-bg: rgba(53,54,58,.25);
@table-bg-accent: darken(@gray-dark, 5%);
@table-bg-hover: rgba(53,54,58,.50);
@table-bg-active: @table-bg-hover;
@table-border-color: @gray-dark;
// Navbar
@navbar-height: 80px;
@navbar-margin-bottom: @line-height-computed;
@navbar-default-color: @gray;
@navbar-default-bg: @dropdown-bg;
@navbar-default-border: darken(@navbar-default-bg, 6.5%);
@navbar-border-radius: @border-radius-base;
@navbar-padding-horizontal: floor(@grid-gutter-width / 2);
@navbar-padding-vertical: ((@navbar-height - @line-height-computed) / 2);
@navbar-default-link-color: @Gray-Light;
@navbar-default-link-hover-color: @gray-lighter;
@navbar-default-link-hover-bg: @gray-dark;
@navbar-default-link-active-color: #555;
@navbar-default-link-active-bg: darken(@navbar-default-bg, 6.5%);
@navbar-default-link-disabled-color: @gray-dark;
@navbar-default-link-disabled-bg: transparent;
@navbar-default-brand-color: @brand-primary;
@navbar-default-brand-hover-color: @gray-lighter;
@navbar-default-brand-hover-bg: transparent;
@navbar-default-toggle-hover-bg: @gray-lighter;
@navbar-default-toggle-icon-bar-bg: @Gray-Light;
@navbar-default-toggle-border-color: @gray;
// Navs Tabs
@nav-link-padding: 10px 15px;
@nav-link-hover-bg: @gray-darker;
@nav-disabled-link-color: @gray;
@nav-disabled-link-hover-color: @gray;
@nav-tabs-border-color: @gray-dark;
@nav-tabs-link-hover-border-color: @gray-dark;
@nav-tabs-active-link-hover-bg: transparent;
@nav-tabs-active-link-hover-color: @gray-lighter;
@nav-tabs-active-link-hover-border-color: @gray-dark;
@nav-tabs-justified-link-border-color: @gray-dark;
@nav-tabs-justified-active-link-border-color: @body-bg;
@nav-pills-active-link-hover-bg: @component-active-bg;
@nav-pills-active-link-hover-color: @gray-lighter;
// Jumbotron
@jumbotron-padding: 30px;
@jumbotron-color: inherit;
@jumbotron-bg: @gray-darker;
// Pagination
@pagination-bg: #fff;
@pagination-border: #ddd;
@pagination-hover-bg: @gray-lighter;
@pagination-active-bg: @brand-primary;
@pagination-active-color: #fff;
@pagination-disabled-color: @Gray-Light;
@pager-border-radius: 15px;
@pager-disabled-color: @Gray-Light;
// Form States
@state-warning-text: #c09853;
@state-warning-bg: #fcf8e3;
@state-warning-border: darken(spin(@state-warning-bg, -10), 3%);
@state-danger-text: @brand-primary;
@state-danger-bg: darken(@brand-primary, 25%);
@state-danger-border: darken(spin(@state-danger-bg, -10), 60%);
@state-success-text: darken(@brand-success, 15%);
@state-success-bg: lighten(@brand-success, 10%);
@state-success-border: darken(spin(@state-success-bg, -10), 5%);
@state-info-text: #3a87ad;
@state-info-bg: #d9edf7;
@state-info-border: darken(spin(@state-info-bg, -10), 7%);
// ToolTip
@tooltip-max-width: 300px;
@tooltip-color: @gray-lighter;
@tooltip-bg: @brand-primary;
@tooltip-arrow-width: 5px;
@tooltip-arrow-color: @tooltip-bg;
// Popover
@popover-bg: @gray-dark;
@popover-max-width: 300px;
@popover-border-color: rgba(0,0,0,.2);
@popover-fallback-border-color: #ccc;
@popover-title-bg: darken(@popover-bg, 20%);
@popover-arrow-width: 15px;
@popover-arrow-color: @popover-bg;
@popover-arrow-outer-width: (@popover-arrow-width + 1);
@popover-arrow-outer-color: rgba(0,0,0,.25);
@popover-arrow-outer-fallback-color: #999;
// List Group
@list-group-bg: @gray-darker;
@list-group-border: @gray-dark;
@list-group-border-radius: @border-radius-base;
@list-group-hover-bg: @gray-dark;
@list-group-active-color: @gray-lighter;
@list-group-active-bg: @component-active-bg;
@list-group-active-border: @list-group-active-bg;
@list-group-link-color: lighten(@gray, 10%);
@list-group-link-heading-color: @gray-lighter;
// Sprites
@icon-font-path: '../app/fonts/';
@icon-font-name: glyphicons-halflings-regular;