// Rotated & Flipped Icons
 // -------------------------
 
 .#{$fa-css-prefix}-rotate-90  { @include fa-icon-rotate(90deg, 1);  }
 .#{$fa-css-prefix}-rotate-180 { @include fa-icon-rotate(180deg, 2); }
 .#{$fa-css-prefix}-rotate-270 { @include fa-icon-rotate(270deg, 3); }
 
 .#{$fa-css-prefix}-flip-horizontal { @include fa-icon-flip(-1, 1, 0); }
 .#{$fa-css-prefix}-flip-vertical   { @include fa-icon-flip(1, -1, 2); }
 .#{$fa-css-prefix}-flip-both, .#{$fa-css-prefix}-flip-horizontal.#{$fa-css-prefix}-flip-vertical { @include fa-icon-flip(-1, -1, 2); }
 
 // Hook for IE8-9
 // -------------------------
 
 :root {
   .#{$fa-css-prefix}-rotate-90,
   .#{$fa-css-prefix}-rotate-180,
   .#{$fa-css-prefix}-rotate-270,
   .#{$fa-css-prefix}-flip-horizontal,
   .#{$fa-css-prefix}-flip-vertical,
   .#{$fa-css-prefix}-flip-both {
     filter: none;
   }
 }