a {
    text-decoration: none;
}

#inhalt {
    padding: 20px;
}

input {
    width: 100%;
    padding: 4px 4px;
    margin: 8px 0;
    box-sizing: border-box;
}

select {
    width: 100%;
    padding: 4px 4px;
    margin: 8px 0;
    box-sizing: border-box;
}

table {
    width: 50%;
    padding: 4px;
    margin-left: auto; 
    margin-right: auto; 
}

textarea { width: 100%; padding: 5px; border-width: 1px; }