.amazonmenu ul{
    font: normal 12px Verdana;
    list-style: none;
    margin: 0;
    padding: 0;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;

}

.amazonmenu ul li{
    position: static; /* menu li items should have position set to static */
}

.amazonmenu > ul{
    background: white;
    border: 1px solid gray;
    border-radius: 5px;
    width: 285px; /* width of main menu */
/*	height: 400px; /* height of main menu */*/
height: auto;
position: relative;
    }

.amazonmenu > ul li a{
    color: black;
    display: block;
    overflow: auto;
    padding: 2px 0;
    position: relative;
    text-decoration: none;
    text-indent: 10px;
}

.amazonmenu > ul li.hassub > a::after{ /* Arrow to indicate this item has sub menu (LI elements with sub menus have a ".hassub" class). */
    border: 5px solid transparent;
    border-left-color: gray; /* Default color of arrow */
    content: '';
    height: 0;
    position: absolute;
    right: 5px;
    top: 35%;
    width: 0;
}

.amazonmenu > ul li.hassub.selected > a::after{ /* Style of arrow when corresponding sub menu is open (LI element has a "selected" class during this state */
    border-left-color: black;
}

.amazonmenu ul li a:hover, .amazonmenu ul li.hassub.selected > a{ /* style of hover and selected menu item links */
    /*	background: lightblue;*/
    background: lightgray;
    /*	color: navy;*/
}

.amazonmenu ul li > div, .amazonmenu ul li > ul{ /* Sub menus (Could be a DIV or UL wrapper) style */
    background: white;
    border: 1px solid gray;
    border-radius: 0 8px 8px 0;
    box-shadow: 2px 2px 2px gray;
    display: none;
    font-weight: normal;
    /*	width: 300px;*/
    width: 685px;
    /*	height: 400px; *//* height of sub menu */
    min-height: 342px;
    height:auto;
    left: 100%;
    padding: 10px;
    position: absolute;
    top: -1px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    z-index: 1000;
    max-height:450px;
    overflow-y: scroll;
}

.amazonmenu ul li > div > div {
    border-bottom:1px solid #d3d3d3;
}
.amazonmenu ul li > div > div:last-child {
    border-bottom:0px solid #d3d3d3;
}

/* ###### CSS Media queries ###### */

@media screen and (max-width: 480px){ /* When screen size is 480px */
    .amazonmenu ul li > div, .amazonmenu ul li > ul{
        left: 30px; /* Stack the sub menus so they take up less space */
    }

    .amazonmenu > ul li.hassub.selected::after{ /* Add "veil" to parent menus */
        background: #eee;
        content: '';
        height: 100%;
        left: 0;
        opacity: .8;
        pointer-events: none;
        position: absolute;
        top: 0;
        width: 100%;
        z-index: 1;
    }
}