.nb-menu-item:hover {
  transition: background-color 0.5s;
  transition: box-shadow 0.5s;
  /*background-color: rgba(206,44,170,0.9);*/
  background-color: rgba(114, 73, 194, 0.9);
  color:#fefefe;
  border: 1px solid rgba(114, 73, 194, 0.9);


  -webkit-box-shadow: 0px 4px 10px 0px rgba(0,0,0,0.4);
  -moz-box-shadow: 0px 4px 10px 0px rgba(0,0,0,0.4);
  box-shadow: 0px 4px 10px 0px rgba(0,0,0,0.4);
}


.nb-menu-item.navigation {
  background-color: rgba(114, 73, 194, 0.9);
  color:#fefefe;
  border: 1px solid rgba(114, 73, 194, 0.9);

  -webkit-box-shadow: 0px 4px 10px 0px rgba(0,0,0,0.4);
  -moz-box-shadow: 0px 4px 10px 0px rgba(0,0,0,0.4);
  box-shadow: 0px 4px 10px 0px rgba(0,0,0,0.4);
}



.nb-cover.navigation {
  transition: width 1s;
  width:20%;
  border-right: 1px solid #545454;

  -webkit-box-shadow:  3px 0px 7px 0px rgba(0,0,0,0.4);
  -moz-box-shadow:  3px 0px 7px 0px rgba(0,0,0,0.4);
  box-shadow: 2px 0px 2px 0px rgba(0,0,0,0.3);

}

.nb-content.navigation {
  width:80%;
  display: inline-block;
  background-color: #d8e8ed;
  background-color: #FFF;
  color: #3b4a75;

  overflow-x: hidden;
  overflow-y: auto;
}

.nb-address.navigation {
  left:19em;
}