.btn-menu {
    text-decoration: none;
    text-align: center;
}

.menu-user > div {
    border: 1px solid blue;
    background-color: #00A4EF;
    border-radius: 5px;
    height: 150px;
    width: 150px;
    position: relative;
    transition: all 0.2s ease;
}

.menu-user > div a {
    color: #fff;
    display: block;
    width: 100%;
}

.menu-user > div a:hover {
    text-decoration: none;
}

.menu-user > div:hover {
    background-color: blue;
}

.submenu-user-items {
    border: 1px solid red;
    width: 100%;
    height: 0px;
    z-index: 9999999 !important;
    /*background-color: rgba(108, 22, 14, 0.9);*/
    background-color: #00A4EF;
    overflow: hidden;
    transition: all 2s ease;
}

.menu-user > div:hover .submenu-user-items {
    position: absolute;
    bottom: 0px;
    display: inline-block !important;
    height: auto;
}

.submenu-user-items a {
    color: #fff;
    display: block;
    text-align: center;
    border-bottom: 1px solid blue;
    padding: 5px 0px;
}

@media screen and (max-width: 767.99px) {
    .menu-user {
        height: 330px;
    }
    .menu-user > div:hover .submenu-user-items {
        position: absolute;
        bottom: 0px;
        display: inline-block !important;
        height: 150px;
        overflow-y: scroll;
    }
}