css - All bootstrap breakpoints deprecated? -

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looking @ variables.less (and googling around), looks of bootstrap's breakpoint less variables deprecated. correct? know should using instead if want assign styles based on bootstrap's screen-size breakpoints? using bootstrap v3.1.1 less. thanks.

//== media queries breakpoints // //## define breakpoints @ layout change, adapting different screen sizes.  // small screen / phone //** deprecated `@screen-xs` of v3.0.1 @screen-xs:                  480px; //** deprecated `@screen-xs-min` of v3.2.0 @screen-xs-min:              @screen-xs; //** deprecated `@screen-phone` of v3.0.1 @screen-phone:               @screen-xs-min;  // small screen / tablet //** deprecated `@screen-sm` of v3.0.1 @screen-sm:                  768px; @screen-sm-min:              @screen-sm; //** deprecated `@screen-tablet` of v3.0.1 @screen-tablet:              @screen-sm-min;  // medium screen / desktop //** deprecated `@screen-md` of v3.0.1 @screen-md:                  992px; @screen-md-min:              @screen-md; //** deprecated `@screen-desktop` of v3.0.1 @screen-desktop:             @screen-md-min;  // large screen / wide desktop //** deprecated `@screen-lg` of v3.0.1 @screen-lg:                  1200px; @screen-lg-min:              @screen-lg; //** deprecated `@screen-lg-desktop` of v3.0.1 @screen-lg-desktop:          @screen-lg-min;

what @seven-phases-max said. @screen-{sm,md,lg}-min variables ones should use. others have been deprecated in favor of these.

and @screen-xs-min deprecated because xs has no narrowest screen size (unless want count 1px) since it's smallest breakpoint. (likewise, lg has no maximum width.)


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