body {
    background-color: #F7F7F7;
    font-family: 'Open sans', Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

#navbar {
    width: 300px;
    position: fixed;
    height: 100%;
}

header {
    font-size: 1.8em;
}

#navbar a {
    display: block;
    padding: 10px 30px;
    text-decoration: none;
    color: black;

}

#main-doc {
    margin-left: 310px;
}

#navbar li {
    border-top: 1px solid;
    list-style: none;
}

#navbar ul{
    padding: 0;
}