@breakpoints-min: {
  x:  0px;
  s:  600px;
  m:  768px;
  l:  1024px;
  xl: 1366px;
}

@breakpoints-max: {
  x:  599px;
  s:  767px;
  m:  1023px;
  l:  1365px;
}

@x-screen-min:  @breakpoints-min[x];
@s-screen-min:  @breakpoints-min[s];
@m-screen-min:  @breakpoints-min[m];
@l-screen-min:  @breakpoints-min[l];
@xl-screen-min: @breakpoints-min[xl];

@x-screen-max:  @breakpoints-max[x];
@s-screen-max:  @breakpoints-max[s];
@m-screen-max:  @breakpoints-max[m];
@l-screen-max:  @breakpoints-max[l];