Responsive Breakpoints Mixin

Responsive Breakpoints Mixin in SCSS

@mixin respond-to($breakpoint) {
  @if $breakpoint == mobile {
    @media (max-width: 600px) { @content; }
  } @else if $breakpoint == tablet {
    @media (max-width: 900px) { @content; }
  } @else if $breakpoint == desktop {
    @media (min-width: 1200px) { @content; }
  }
}

// Usage
.container {
  padding: 20px;

  @include respond-to(mobile) {
    padding: 10px;
  }

  @include respond-to(desktop) {
    padding: 40px;
  }
}