* {
    box-sizing: border-box;
  }


  #navigation_principal {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    height: 50px;
    background: #fff;
    box-shadow: 0 0px 9px 4px rgba(0, 0, 0, 0.1), 0 -5px 2px 2px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    min-width: 580px;
  }

  #navigation_principal .nav-item:hover {
    background-color: #9ab894;
  }

  #navigation_mobil {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    height: 50px;
    z-index: 1000;
  }
  
  #navigation_mobil .links {
    float: right;
    margin-right: 30px;
    position: relative;
  }
  #navigation_mobil .links li {
    float: left;
    list-style: none;
    position: relative;
    margin: 10px;
    display: inline-block;
  }
  #navigation_mobil .links li > a {
    position: relative;
    display: inline-block;
    padding: 0 10px;
    line-height: 30px;
    height: 30px;
  }
  #navigation_mobil .links li > a:hover {
    color: #fff;
    background: #577761;
    border-radius: 2px;
  }
  #navigation_mobil .links li > a[class^=trigger-] {
    margin-right: 40px;
    margin-top: 1.2em;
  }
  #navigation_mobil .links li > a .arrow {
    position: absolute;
    width: 10px;
    height: 10px;
    top: 35%;
    text-align: center;
    right: 10px;
    border-width: 5px 5px 0 5px;
    border-style: solid;
    border-color: rgba(0, 0, 0, 0.3) transparent;
  }
  #navigation_mobil .links li > a .arrow:after {
    content: "";
    border-left: 1px solid rgba(0, 0, 0, 0.15);
    top: -10px;
    left: -15px;
    position: absolute;
    height: 15px;
  }
  #navigation_mobil .links li ul {
    position: absolute;
    right: 0;
    margin: 0;
    background: #fff;
    border-radius: 2px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
    display: none;
  }
  #navigation_mobil .links li ul > li {
    clear: both;
    list-style: none;
    display: block;
    padding: 0 10px;
    margin: 0;
    width: 100%;
  }
  #navigation_mobil .links li ul > li:hover {
    background: #9ab894;
  }
  #navigation_mobil .links li ul > li:hover > a {
    background: #9ab894;
    color: #fff;
  }
  #navigation_mobil .links li:hover > .drop {
    display: block;
    animation: fadeInRight 0.3s ease;
    -webkit-animation: fadeInRight 0.3s ease;
  }
  
  @keyframes fadeInRight {
    0% {
      opacity: 0;
      transform: translate3d(100%, 0, 0);
    }
    100% {
      opacity: 1;
      transform: none;
    }
  }