#sidebar {
    background-color: #f3f3f3;
    width: 200px;
    height: 100vh;
    padding: 20px;
    float: left;
    border-right: 1px solid #ccc;


}

#sidebar .item {
    list-style-type: none;
    padding: 5px 0;
    font-size: large;
    color: black;
    text-decoration: none;

}







@media screen and (max-width: 600px) {
    #sidebar {
        display: none;
    }
}