.nav {
    padding-top:30px;
    height: 100px;
   
    text-align: center;


}
.nav a {
    text-decoration: none;
    display: block;
    transition: .5s linear;


}
.nav ul {

    list-style: none;
    margin: 0;
    padding: 0;
}

.nav ul li a {

    color: black;
    font-family: 'Fira Code Retina ', sans-serif;
    font-size:20px ;

}



.topmenu > li {
    display:inline-block;

    position: relative;
    width: 180px;


}
.topmenu > li > a {
    font-weight: bold;
    padding: 10px 30px;

    text-transform: uppercase;
    letter-spacing: 2px;

    border: 1px solid transparent;

}
.submenu

{

    position: absolute;
    left: 10px;
    z-index: 5;
    width: 240px;
    visibility: hidden;
    opacity: 0;
    transform: translateY(10px);
    transition: .5s ease-in-out;
}
.submenu li {


    position: relative;
    border: 1px solid #999;
    margin:2px;
    left: 35px;
}
.submenu a {
    background:wheat;
    color: #1c1c1c;
    text-align: center;
    font-size: 14px;
    letter-spacing: 1px;
    padding: 10px 20px;


}
.submenu .submenu {
    position: absolute;
    top: 0;
    left: 200px;
}
.nav li:hover > .submenu {
    visibility: visible;
    opacity: 1;
    transform: translateY(0px);
}