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Mister Spy & Souheyl Bypass Shell

//
// Utility mixins
//
// ---------------------------------------------------------------------------

// Markup free clearing
// http://www.stubbornella.org/content/2012/05/02/cross-browser-debugging-css/
@mixin cf {
  overflow: hidden;   // New formatting context in better browsers
  *overflow: visible; // Protect IE7 and older from the overflow property
  *zoom: 1;           // Give IE hasLayout, a new formatting context equivalent
}

// Micro clearfix.
// Based on the micro clearfix hack by Nicolas Gallagher, with the :before
// pseudo selector removed to allow normal top margin collapse.
// This has the distinct advantage of allowing overflow.
// @see http://nicolasgallagher.com/micro-clearfix-hack
//
// For modern browsers
// 1. The space content is one way to avoid an Opera bug when the
//    contenteditable attribute is included anywhere else in the document.
//    Otherwise it causes space to appear at the top and bottom of elements
//    that are clearfixed.
// 2. The use of 'table' rather than 'block' is only necessary if using
//    :before' to contain the top-margins of child elements.
//
@mixin clearfix-micro {
  &:before,
  &:after {
    content: " "; // 1
    display: table; // 2
  }
  &:after {
    clear: both;
  }
}

// Image replacement
// Kellum Method: http://www.zeldman.com/2012/03/01/replacing-the-9999px-hack-new-image-replacement
// Extended by HTML5BP http://html5boilerplate.com/docs/css/
@mixin ir {
  display: block !important;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  border: 0;
  font: 0/0 a;
  text-shadow: none;
  color: transparent;
  background-color: transparent;
}

// Hide content but maintain accessibility
@mixin visually-hidden {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  overflow: hidden;
  height: 1px;
  width: 1px;
  padding: 0;
  word-wrap: normal;
  font: 0/0 a;
}

// Turns off the element-invisible effect
@mixin visually-hidden-off {
  position: static !important;
  clip: auto;
  overflow: visible;
  height: auto;
  width: auto;
  font-family: inherit;
  line-height: normal;
  font-size: 1em;
}

// Visually hidden but focusable, e.g. skip links
@mixin visually-hidden-focusable {
  @extend visually-hidden;
  &.focusable {
    &:active,
    &:focus {
      @include visually-hidden-off;
    }
  }
}

// Shift content offscreen, can be usefull when you reall need to do this
@mixin offscreen {
  position: absolute;
  top: -99999em;
  width: 1px;
  height: 1px;
  overflow: hidden;
  outline: 0;
}