@font-face {
  font-family: 'spark_icons';
  src: url('fonts/spark_icons.eot');
  src: url('fonts/spark_icons.eot?#iefix') format('embedded-opentype'),
    url('fonts/spark_icons.svg#spark_icons') format('svg'),
    url('fonts/spark_icons.woff') format('woff'),
    url('fonts/spark_icons.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

.spark-icon[data-icon]:before,
[data-icon]:before {
  font-family: 'spark_icons';
  content: attr(data-icon);
  speak: none;
}