.sidebar{
    margin: 0;
    padding: 0;
    width: 200px;
    background-color: #1f1e1e;
    position: fixed;
    height: 100%;
    overflow: auto;
}

.sidebar a {
    display: block;
    color: white;
    padding: 16px;
    text-decoration: none;
}

/*active link */
.sidebar a.active{
    background-color: #4caf50;
    color: white;
}

/* on mouseover */
.sidebar a:hover:not(.active){
    background-color: #555;
    color: white;
}

div.content{
    margin-left: 200px;
    padding: 1px 16px;
    height: 1000px;
    background-color: #CAC9CE;
}

.content .logo{
    height: 25%;
    width: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.content .contact{
    background-color: white;
    color: black;
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 75%;
    border-color: black;
    border-width: 50px;
}

.content h1{
    background-color: #4caf50;
    color: black;
}