* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#nav_bar {
    display: flex;
    flex-direction:row;
    align-items: center;
    background-color: #333;
    color: white;
    padding: 10px;
    margin: 0;
}

#nav_bar a {
    color: white;
    text-decoration: none;
    padding: 10px;
}