.side_menu {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    right: 0;
    background-color: #007BFF;
    overflow-x: hidden;
    padding-top: 60px;
}

.side_menu a {
    padding: 8px 8px 8px 52px;
    text-decoration: none;
    font-size: 25px;
    color: white;
    display: block;
}