.nav {
  width: 100%;
  position: relative;
z-index:5;
}

.nav > .nav-header {
  display: inline;
}

.nav > .nav-links > ul {
list-style:none;
  line-height:0px;
}

.nav > .nav-links > ul > li > a {display:block;
padding: 20px 5px 15px 10px;}

.nav > .nav-links > ul > li {
  display:inline-block;
  background:#E5E5E5;;
  border-right: 1px gray dotted;
  border-top: 1px gray dotted;
}

.nav > .nav-links > ul > li:hover {
  background: #D9D9D4;
  color:#fff;
}

ul.dropdown-menu {
list-style:none;
display:none;
 padding:0px;
z-index:100;}

ul li:hover ul.dropdown-menu {
display:block;
position:absolute;
background: #615c5c;
z-index:100;
}

ul li:hover ul.dropdown-menu a {
  padding: 8px;
  display:block;
  color:whitesmoke;
}

ul li:hover ul.dropdown-menu a:hover {
  background: #cdcdcd;
  color:#990000;
}

.nav > .nav-header > .nav-title {
  display: none;
  font-size: 22px;
  color: #fff;
}

.nav > .nav-btn {
  display: none;
}

.nav > .nav-links{
  display: inline;
  font-size: 18px;
  list-style:none;
clear:both;
}

.nav > .nav-links > a {
  display: inline-block;
  padding: 13px 10px 13px 10px;
  text-decoration: none;
  color: #fff;
}

.nav > .nav-links > a:hover {
  background-color: white);
}

.nav > #nav-check {
  display: none;
}


@media (max-width:600px) {
.nav {
background-color: #4d4d4d;}
.nav > .nav-btn {
display: inline-block;
position: absolute;
right: 0px;
top: 0px;
}
  .nav > .nav-btn > label {
    display: inline-block;
    width: 50px;
    height: 50px;
    padding: 13px;
  }
  .nav > .nav-btn > label:hover,.nav  #nav-check:checked ~ .nav-btn > label {
    background-color: rgba(0, 0, 0, 0.3);
  }
  .nav > .nav-btn > label > span {
    display: block;
    width: 25px;
    height: 10px;
    border-top: 2px solid #eee;
  }
 .nav > .nav-links {
    position: absolute;
    display: block;
    width: 100%;
    background-color: #333;
    height: 0px;
    transition: all 0.3s ease-in;
    overflow-y: hidden;
    top: 50px;
    left: 0px;
  }
  
  .nav > .nav-header > .nav-title {
  display: inline-block;
  font-size: 22px;
    padding:15px;
}
  .nav > .nav-links > a {
    display: block;
    width: 100%;
  }
   .nav > .nav-links > ul > li {
display:block;
width:100%;
border-bottom:1px gray dotted;   
}

ul li:hover ul.dropdown-menu a {
display:none;
width:100%
}
  
  .nav > #nav-check:not(:checked) ~ .nav-links {
    height: 0px;
  }
  .nav > #nav-check:checked ~ .nav-links {
    height: calc(100vh - 50px);
    overflow-y: auto;
  }
}