.gnb li {
    color: #fff;

    display: block;
    float: left;
    padding: 1rem;
    position: relative;
    text-decoration: none;
  transition-duration: 0.5s;
}
  
li a {
  color: #000;
}

li:hover {

}

ul li ul.dropdown1 {
    background: #e0e0e0;
    visibility: hidden;
  opacity: 0;
  min-width: 10rem;
    position: absolute;
  transition: all 0.5s ease;
  top: 96px;
    left: -30px;
  display: none;
    padding:0;
    z-index: 99;
    text-align: center;
}

ul li ul.dropdown2 {
    background: #e0e0e0;
    visibility: hidden;
  opacity: 0;
  min-width: 15rem;
    position: absolute;
  transition: all 0.5s ease;
  top: 96px;
    left: -40px;
  display: none;
    padding:0;
    z-index: 99;
    text-align: center;
}

ul li ul.dropdown3 {
    background: #e0e0e0;
    visibility: hidden;
  opacity: 0;
  min-width: 10rem;
    position: absolute;
  transition: all 0.5s ease;
  top: 96px;
    left: -5px;
  display: none;
    padding:0;
    z-index: 99;
    text-align: center;
}

ul li:hover > ul,
ul li ul:hover {
  visibility: visible;
  opacity: 1;
  display: block;
}

ul li ul li {
    clear: both;
  width: 100%;
}


/* Media Mobile */

@media (max-width: 768px) {
  
.gnb li {
    color: #fff;

    display: block;
    float: left;
    padding: 1rem;
    position: relative;
    text-decoration: none;
  transition-duration: 0.5s;
}
  
li a {
  color: #000;
}

li:hover {

}

ul li ul.dropdown1 {
    background: #e0e0e0;
    visibility: hidden;
  opacity: 0;
  width: 90%;
    position: absolute;
  transition: all 0.5s ease;
  top: 76px;
    left: 17px;
  display: none;
    padding:0;
    z-index: 99;
    text-align: center;
}

ul li ul.dropdown2 {
    background: #e0e0e0;
    visibility: hidden;
  opacity: 0;
  width: 90%;
    position: absolute;
  transition: all 0.5s ease;
  top: 76px;
    left: 17px;
  display: none;
    padding:0;
    z-index: 99;
    text-align: center;
}

ul li ul.dropdown3 {
    background: #e0e0e0;
    visibility: hidden;
  opacity: 0;
  width: 90%;
    position: absolute;
  transition: all 0.5s ease;
  top: 76px;
    left: 17px;
  display: none;
    padding:0;
    z-index: 99;
    text-align: center;
}

ul li:hover > ul,
ul li ul:hover {
  visibility: visible;
  opacity: 1;
  display: block;
}

ul li ul li {
    clear: both;
  width: 100%;
}





}