body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #eee;
    font-size: 16px;
}

.header {
    overflow: hidden;
    color: #333;
    background-color: #3ddc84; /* #78c257; #a4c639; */
    padding-left: 20px;
}

.navbar {
    overflow: hidden;
    color: white;
    background-color: #073042; /* #4285f4; #455a64; */
    padding: 10px 20px;
}

.content {
    background-color: #fff;
    padding: 10px 20px;
}

.footer {
    padding-left: 20px;
}