.stack-menu {
    background-color: #f1f3f4;
    -webkit-border-radius: 0;
    border-radius: 0;
    overflow: auto;
}

.stack-menu--active{
    display:block
}

.stack-menu__list{
    margin:0;
    padding:0;
    list-style-type:none;
    display:none
}

.stack-menu__list--active{
    display:block
}

.stack-menu__item--hidden{
    display:none
}

.stack-menu__link {
    padding: 10px 10px;
    display: block;
    text-decoration: none;
    position: relative;
    color: #fff;
    -webkit-transition: color .25s ease-in-out,background-color .25s ease-in-out,background-image .25s ease-in-out;
    -moz-transition: color .25s ease-in-out,background-color .25s ease-in-out,background-image .25s ease-in-out;
    transition: color .25s ease-in-out,background-color .25s ease-in-out,background-image .25s ease-in-out
}

.stack-menu__link--back,.stack-menu__link--parent{
    /*-webkit-background-size:12px 12px;*/
    background-size:6px 12px;
    background-repeat:no-repeat
}

.stack-menu__link--parent{
    background-position:center right 15px;
    background-image:url("data:image/svg+xml,%3Csvg width='6' height='12' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='white' fill-rule='evenodd'%3E%3Cpath d='M.087 1.656L1.232.318l4.681 5.026-1.145 1.338z'/%3E%3Cpath d='M4.768 5.318l1.145 1.338-4.68 5.026-1.146-1.338z'/%3E%3C/g%3E%3C/svg%3E")
}

.stack-menu__link--back{
    background-position:center left 20px;
    background-image:url("data:image/svg+xml,%3Csvg width='6' height='12' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='white' fill-rule='evenodd'%3E%3Cpath d='M5.913 1.656L4.768.318.087 5.344l1.145 1.338z'/%3E%3Cpath d='M1.232 5.318L.087 6.656l4.68 5.026 1.146-1.338z'/%3E%3C/g%3E%3C/svg%3E")
}

.stack-menu__link--back::after {
    content:"Back";
    padding-left: 1.5rem;
}

.stack-menu__link--hidden {
    display: none;
}

.stack-menu__link:hover {
    color: #fff;
    border: 1px solid #fff;
}



.stack-menu__link--parent:hover{
    background-image:url("data:image/svg+xml,%3Csvg width='6' height='12' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-rule='evenodd'%3E%3Cpath d='M.087 1.656L1.232.318l4.681 5.026-1.145 1.338z'/%3E%3Cpath d='M4.768 5.318l1.145 1.338-4.68 5.026-1.146-1.338z'/%3E%3C/g%3E%3C/svg%3E")
}

.stack-menu__link--back:hover{
    background-image:url("data:image/svg+xml,%3Csvg width='6' height='12' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-rule='evenodd'%3E%3Cpath d='M5.913 1.656L4.768.318.087 5.344l1.145 1.338z'/%3E%3Cpath d='M1.232 5.318L.087 6.656l4.68 5.026 1.146-1.338z'/%3E%3C/g%3E%3C/svg%3E")
}