.bottom-menu {
    display: -webkit-flex; /* Safari */
    display: flex;
    overflow: hidden;
    list-style-type: none;
    margin: 0 auto;
    padding: 0;
    width:100%;
    max-height: 70px;
    background-color: rgba(0, 0, 0, .6) !important;
}

.bottom-menu>.bottom-menu-item {
    display: inline-block;
    text-align: center;
    width: 20%;
    max-width:20%;
    height: 70px;
    margin: 0;
    padding: 0;
    float: left;
}
.bottom-menu > .bottom-menu-item > a {
    display: inline-block;
    background-color: transparent;
    outline:none;
    border: none;
    width: 80px;
    min-width: 80px;
    height: 70px;
    background-image: url('../Images/bottom_menu.png');
    background-position-y: -5px;
}

.bottom-menu > .bottom-menu-item > a:active, .bottom-menu > .bottom-menu-item > a:hover {
    background-position-y: -85px;
}
.bottom-menu > .bottom-menu-item > a:disabled, .bottom-menu > .bottom-menu-item > a.disabled {
    background-position-y: -165px;
}
.bottom-menu > .bottom-menu-item > a.active {
    background-position-y: -245px;
}

#NavXrateButton { background-position-x: 0px; }
#NavAccountButton { background-position-x: -80px; }
#NavContentButton { background-position-x: -160px; }
#NavMapButton { background-position-x: -240px; }
#NavAddButton { background-position-x: -320px; }

@media screen and (max-width: 399px) {
    body {
        /*margin-bottom: 70px;*/
    }
    .bottom-menu > .bottom-menu-item > a { width: 60px; max-width: 60px;}
    #NavXrateButton { background-position-x: 0px; }
    #NavAccountButton { background-position-x: -90px; }
    #NavContentButton { background-position-x: -170px; }
    #NavMapButton { background-position-x: -250px; }
    #NavAddButton { background-position-x: -330px; }
}




/* Mobile menu */
.mobile-menu {
    display: -webkit-flex; /* Safari */
    display: flex;
    flex-wrap: nowrap;
    overflow: hidden;
    list-style-type: none;
    margin: 0 auto;
    padding: 0;
    width: 100%;
    height: 50px;
    max-height: 50px;
    background-color: rgba(0, 0, 0, .6) !important;
}

.mobile-menu > .mobile-menu-item {
    margin: 0 auto;
    text-align: center;
    display: inline-block;
    -webkit-flex: 1; /* Safari 6.1+ */
    -ms-flex: 1; /* IE 10 */
    flex: 1;
}

.mobile-menu > .mobile-menu-item > .mobile-menu-button {
    display: inline-block;
    width: 50px;
    max-width: 50px;
    color: rgba(255,255,255,.5);
    text-decoration: none;
    outline: none;
}
.mobile-menu > .mobile-menu-item > .mobile-menu-button.active {
    color: #fff;
}


.mobile-menu > .mobile-menu-item .mobile-menu-icon {
    margin: 0 auto;
    padding-top: 3px;
    display: block;
    clear: both;
}

.mobile-menu > .mobile-menu-item .mobile-menu-caption {
    display: block;
    max-height: 16px;
    font-size: 14px;
}

.mobile-menu-button use {
    --color1: rgba(255,255,255,.7);
    --color2: rgba(255,255,255,.7);
    --color3: rgba(255,255,255,.7);
    --color4: rgba(255,255,255,.7);
    --color5: rgba(255,255,255,.7);
}

#NavXrateButton.active use { --color1: #fc3; }
#NavCalButton.active use { --color1: #ffc; --color2: #fc9; --color3: #3fc; --color4: #c9f; }
#NavLocButton.active use { --color1: #ffc; --color2: #fc9; --color3: #f33; --color4: #cfc; --color5: #cff; }
#NavCallButton use {--color1: rgba(0,0,0,0);}
#NavCallButton.active use { --color1: #fc9; --color2: #666; --color3: #630; --color4: #000; }