我一直在尝试在Bootswatch（机器人）中编辑媒体查询断点。我已经在_variables.scss文件和variables.less（与_variables.scss相同的大小）中编辑了下面的代码，但没有任何改变。我还需要编辑其他内容吗？
编辑**我正在使用的IDE是Coda2 for Mac ****************
_variables.scss
//== Media queries breakpoints
//
//## Define the breakpoints at which your layout will change, adapting to different screen sizes.
// Extra small screen / phone
//** Deprecated `$screen-xs` as of v3.0.1
$screen-xs: 580px !default; // changed from 480px 11.9.17
//** Deprecated `$screen-xs-min` as of v3.2.0
$screen-xs-min: $screen-xs !default;
//** Deprecated `$screen-phone` as of v3.0.1
$screen-phone: $screen-xs-min !default;
// Small screen / tablet
//** Deprecated `$screen-sm` as of v3.0.1
$screen-sm: 950px !default; // changed from 768px 11.9.17
$screen-sm-min: $screen-sm !default;
//** Deprecated `$screen-tablet` as of v3.0.1
$screen-tablet: $screen-sm-min !default;
// Medium screen / desktop
//** Deprecated `$screen-md` as of v3.0.1
$screen-md: 1000px !default; // changed from 992px 11.9.17
$screen-md-min: $screen-md !default;
//** Deprecated `$screen-desktop` as of v3.0.1
$screen-desktop: $screen-md-min !default;
// Large screen / wide desktop
//** Deprecated `$screen-lg` as of v3.0.1
$screen-lg: 1200px !default;
$screen-lg-min: $screen-lg !default;
//** Deprecated `$screen-lg-desktop` as of v3.0.1
$screen-lg-desktop: $screen-lg-min !default;
// So media queries don't overlap when required, provide a maximum
$screen-xs-max: ($screen-sm-min - 1) !default;
$screen-sm-max: ($screen-md-min - 1) !default;
$screen-md-max: ($screen-lg-min - 1) !default;