.metismenu .arrow {
    float: right;
    line-height: 1.42857;
  }
  *[dir="rtl"] .metismenu .arrow {
    float: left;
  }
  
  /*
   * Require Bootstrap 3.x
   * https://github.com/twbs/bootstrap
  */
  
  /*
   * Require Font-Awesome
   * http://fortawesome.github.io/Font-Awesome/
  */
  
  .metismenu .fa.arrow:before {
    content: "\f104";
  }
  .metismenu .mm-active > a > .fa.arrow:before {
    content: "\f107";
  }
  
  /*
   * Require Ionicons
   * http://ionicons.com/
  */
  .metismenu .mm-collapse:not(.mm-show) {
    display: none;
  }
  
  .metismenu .mm-collapsing {
    position: relative;
    height: 0;
    overflow: hidden;
    -webkit-transition-timing-function: ease;
         -o-transition-timing-function: ease;
            transition-timing-function: ease;
    -webkit-transition-duration: .35s;
         -o-transition-duration: .35s;
            transition-duration: .35s;
    -webkit-transition-property: height, visibility;
    -o-transition-property: height, visibility;
    transition-property: height, visibility;
  }