#nav_panel{
    background-color: #070707;
    width: 100%;
    height: auto;
    padding: 20px;
    border-radius: 10 20;
    text-align: center;
    position: absolute;
}

body{
    background: #ffffff;
}

#nav_panel a{
    color: white;
    text-decoration: none;
}

#nav_panel a:hover{
    color: #cccccc;
}