/* ==========================================================================
   Helper classes
   ========================================================================== */

html {
  box-sizing: border-box;
}

*, *:before, *:after {
  box-sizing: inherit;
}

.ir {
    background-color: transparent;
    border: 0;
    overflow: hidden;
    *text-indent: -9999px;
}

.ir:before {
    content: "";
    display: block;
    width: 0;
    height: 150%;
}

.hidden {
    display: none !important;
    visibility: hidden;
}

.visuallyhidden {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}

.visuallyhidden.focusable:active,
.visuallyhidden.focusable:focus {
    clip: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    position: static;
    width: auto;
}

.invisible {
    visibility: hidden;
}

.group:after {
  content: "";
  display: table;
  clear: both;
}