html, body{
   padding:0px;
   margin:4px;
   background:#fff;
   font-family: arial;
   /*font-weight: bold;*/
   width:100vw;
}
body * {
   margin:0;
   padding:0;
}
/* HTML Nav Styles */
/* HTML Nav Styles */
/* HTML Nav Styles */
nav menuitem {
   position:relative;
   display:block;
   opacity:0;
   cursor:pointer;
}

nav menuitem > menu {
   position: absolute;
   pointer-events:none;
}
nav > menu { display:flex; }

nav > menu > menuitem { pointer-events: all; opacity:1; }
menu menuitem a { white-space:nowrap; display:block; }
   
menuitem:hover > menu {
   pointer-events:initial;
}
menuitem:hover > menu > menuitem,
menu:hover > menuitem{
   opacity:1;
}
nav > menu > menuitem menuitem menu {
   transform:translateX(100%);
   top:0; right:0;
}
/* User Styles Below Not Required */
/* User Styles Below Not Required */
/* User Styles Below Not Required */

nav { 
   margin-top: 10px;
   margin-left: 0px;
   z-index: 6;
   position: fixed;
}

nav a {
   background:#fff;
   color:#000;
   min-width:140px;
   transition: background 0.5s, color 0.5s, transform 0.5s;
   margin:0px 6px 6px 0px;
   padding:5px 52px;  /*width panels*/
   box-sizing:border-box;
   border-radius:3px;
   box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.5);
   position:relative;
}

nav a:hover:before {
   content: '';
   top:0;left:0;
   position:absolute;
   background:rgba(120, 120, 120, 0.2);
   width:100%;
   height:100%;
}

nav > menu > menuitem > a + menu:after{
   content: '';
   position:absolute;
   border:10px solid transparent;
   border-top: 10px white; /*solid gray*/
   left:5px;
   top: -33px;  
}
nav menuitem > menu > menuitem > a + menu:after{ 
   content: '';
   position:absolute;
   border:8px solid transparent;
   border-left: 8px;
   top: 5px;
   left:-190px;
   transition: opacity 0.6, transform 0s;
}

nav > menu > menuitem > menu > menuitem{
   transition: transform 0.6s, opacity 0.6s;
   transform:translateY(150%);
   opacity:0;
}
nav > menu > menuitem:hover > menu > menuitem,
nav > menu > menuitem.hover > menu > menuitem{
   transform:translateY(0%);
   opacity: 1;
}

menuitem > menu > menuitem > menu > menuitem{
   transition: transform 0.6s, opacity 0.6s;
   transform:translateX(195px) translateY(0%);
   opacity: 0;
} 
menuitem > menu > menuitem:hover > menu > menuitem,  
menuitem > menu > menuitem.hover > menu > menuitem{  
   transform:translateX(0) translateY(0%);
   opacity: 1;
}