.ir {

  background-color: transparent;

  border: 0;

  overflow: hidden;

  /* IE 6/7 fallback */

  *text-indent: -9999px;

}



.ir:before {

  content: "";

  display: block;

  width: 0;

  height: 150%;

}



/*

 * Hide from both screenreaders and browsers: h5bp.com/u

 */

.hidden {

  display: none !important;

  visibility: hidden;

}



/*

 * Hide only visually, but have it available for screenreaders: h5bp.com/v

 */

.visuallyhidden {

  border: 0;

  clip: rect(0 0 0 0);

  height: 1px;

  margin: -1px;

  overflow: hidden;

  padding: 0;

  position: absolute;

  width: 1px;

}



/*

 * Extends the .visuallyhidden class to allow the element to be focusable

 * when navigated to via the keyboard: h5bp.com/p

 */

.visuallyhidden.focusable:active,

.visuallyhidden.focusable:focus {

  clip: auto;

  height: auto;

  margin: 0;

  overflow: visible;

  position: static;

  width: auto;

}



/*

 * Hide visually and from screenreaders, but maintain layout

 */

.invisible {

  visibility: hidden;

}



/*

 * Clearfix: contain floats

 *

 * 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 receive the `clearfix` class.

 * 2. The use of `table` rather than `block` is only necessary if using

 *    `:before` to contain the top-margins of child elements.

 */

.clearfix:before,

.clearfix:after {

  content: " ";

  /* 1 */

  display: table;

  /* 2 */

}



.clearfix:after {

  clear: both;

}

/*

 * For IE 6/7 only

 * Include this rule to trigger hasLayout and contain floats.

 */

.clearfix {

  *zoom: 1;

}

@-webkit-keyframes icon-hover {

  0% {

    opacity: 0.3;

  }



  40% {

    opacity: 0.5;

    -webkit-box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1), 0 0 10px 10px white, 0 0 0 20px rgba(0, 0, 0, 0.2);

    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1), 0 0 10px 10px white, 0 0 0 20px rgba(0, 0, 0, 0.2);

  }



  100% {

    -webkit-box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1), 0 0 10px 10px white, 0 0 0 20px rgba(0, 0, 0, 0.2);

    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1), 0 0 10px 10px white, 0 0 0 20px rgba(0, 0, 0, 0.2);

    -webkit-transform: scale(1.2);

    transform: scale(1.2);

    opacity: 0;

  }

}



@-o-keyframes icon-hover {

  0% {

    opacity: 0.3;

  }



  40% {

    opacity: 0.5;

    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1), 0 0 10px 10px white, 0 0 0 20px rgba(0, 0, 0, 0.2);

  }



  100% {

    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1), 0 0 10px 10px white, 0 0 0 20px rgba(0, 0, 0, 0.2);

    -o-transform: scale(1.2);

    transform: scale(1.2);

    opacity: 0;

  }

}



@keyframes icon-hover {

  0% {

    opacity: 0.3;

  }



  40% {

    opacity: 0.5;

    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1), 0 0 10px 10px white, 0 0 0 20px rgba(0, 0, 0, 0.2);

  }



  100% {

    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1), 0 0 10px 10px white, 0 0 0 20px rgba(0, 0, 0, 0.2);

    transform: scale(1.2);

    opacity: 0;

  }

}