@media break point in SASS for standard devices

sass-media-breakpoint.scss

/*
 * By Shajed Evan @evanshajed
 * Concept by: CHRIS COYIER @chriscoyier

// Breakpoints
@mixin breakpoint($point) {

  /* Smartphones (portrait and landscape) ----------- */
  @if $point == sp-portrait-lanscape {
    @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { @content; }
  }

  /* Smartphones (landscape) ----------- */
  @if $point == sp-landscape {
    @media only screen and (min-width: 321px) { @content; }
  }

  /* Smartphones (portrait) ----------- */
  @else if $point == sp-portrait {
    @media only screen and (max-width: 320px) { @content; }
  }

  /* iPads (portrait and landscape) ----------- */
  @else if $point == ipad-portrait-landscape {
    @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) { @content; }
  }

  /* iPads (landscape) ----------- */
  @else if $point == ipad-landscape {
    @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : landscape) { @content; }
  }

  /* iPads (portrait) ----------- */
  @else if $point == ipad-portrait {
    @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : portrait) { @content; }
  }

  /* Desktops and laptops ----------- */
  @else if $point == desktop-laptops {
    @media only screen and (min-width : 1224px) { @content; }
  }

  /* Large Screens ----------- */
  @else if $point == large-screens {
    @media only screen and (min-width : 1824px) { @content; }
  }

  /* iPhone 4 ----------- */
  @else if $point == iPhone-4 {
    @media only screen and (-webkit-min-device-pixel-ratio : 1.5), only screen and (min-device-pixel-ratio : 1.5)  { @content; }
  }
}

/* How to use it? */

/* Smartphones (portrait and landscape) ----------- */
@include breakpoint(sp-portrait-landscape) { width: 95%; }

/* Smartphones (landscape) ----------- */
@include breakpoint(sp-landscape) { width: 92%; }