programming-blog/_scss/_scaffolding.scss

//
// Scaffolding
// --------------------------------------------------


// Reset the box-sizing
//
// Heads up! This reset may cause conflicts with some third-party widgets.
// For recommendations on resolving such conflicts, see
// http://getbootstrap.com/getting-started/#third-box-sizing
* {
  @include box-sizing(border-box);
}
*:before,
*:after {
  @include box-sizing(border-box);
}