.menu_page{
    position: relative;
}
.menu_page_list{
    position: absolute;
    left: -10px;
    z-index: 1;
    width: 255px;
    background-color: rgba(0, 0, 0,.5);
    list-style: none;
    padding: 0px;
    height: 0;
    transition: all .5s ease;
    overflow: hidden;
    margin-top: 5px;
    .menu_page_item{
        box-sizing: border-box;
        border-bottom: 2px solid rgba(0, 0, 0,0);
        transition: all .3s ease;
        margin: 15px 0;
        a{
            transition: all .5s ease;
            text-transform: uppercase;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            &:hover{
                color: #00bd56;
            }
        }
        &:hover{
            border-bottom: 2px solid #00bd56;
        }
    }
}