.btn-group {
    position: relative;
    display: table;
    margin: 40px auto;
  }
.nav-accordion {
    position: absolute;
    width: 100%;
    max-width: 360px;
    margin: 10px 0 0;
    background: #FFF;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    width: 300px;
    display: none;
  }
  
  .open .nav-accordion {
    display: block;
  }
  
  .nav-accordion .link {
    cursor: pointer;
    display: block;
    padding: 15px 15px 15px 42px;
    color: #4D4D4D;
    font-size: 14px;
    font-weight: 700;
    border-bottom: 1px solid #CCC;
    position: relative;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    transition: all 0.4s ease;
  }
  
  .nav-accordion li:last-child .link { border-bottom: 0; }
  
  .nav-accordion li i {
    position: absolute;
    top: 16px;
    left: 12px;
    font-size: 18px;
    color: #595959;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    transition: all 0.4s ease;
  }
  
  .nav-accordion li i.fa-chevron-down {
    right: 12px;
    left: auto;
    font-size: 16px;
  }
  
  .nav-accordion li.open .link { color: #b63b4d; }
  
  .nav-accordion li.open i { color: #b63b4d; }
  
  .nav-accordion li.open i.fa-chevron-down {
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    -o-transform: rotate(180deg);
    transform: rotate(180deg);
  }
  
  /**
   * Submenu
   -----------------------------*/
  
  
  .submenu {
    display: none;
    background: #444359;
    font-size: 14px;
  }
  
  .submenu li { border-bottom: 1px solid #4b4a5e; }
  
  .submenu a {
    display: block;
    text-decoration: none;
    color: #d9d9d9;
    padding: 12px;
    padding-left: 42px;
    -webkit-transition: all 0.25s ease;
    -o-transition: all 0.25s ease;
    transition: all 0.25s ease;
  }
  
  .submenu a:hover {
    background: #b63b4d;
    color: #FFF;
  }