body {
    font-family: 'Arial', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 20px;
    background: #f0f4f8;
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

#main{
    margin: 8px;
}

main {
    flex: 1; /* füllt den Platz zwischen Header & Footer */
    width: 100%;
}

#footer {
    background: #026f25;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    margin-top: 1%;
}
#footer a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}