textarea {
    width: 20em;
    height: 10em;
}

label {
    width: 6em;
    display: inline-block;
    text-align: right;
}
div>label:first-child {
    width: 8em;
    text-align: left;
    padding-top: 0.3em;
    vertical-align: top;
}
input, select, textarea {
    width: 30em;
    padding: 0.3em;
}

input#strasse { width: 17em; }

input#ort { width: 16em; }

input[type="submit"], input[type="reset"] {
    width: 12em;
    padding: 0.6em;
}
input[type="submit"] {
    margin-left: 10em;
    font-weight:bold;
}

.form_4 { width: 4em; }

.form_5 { width: 5em; }

form div {
    margin-top: 10px;
    margin-bottom: 10px;
}

form {
    width: 800px;
    margin-left: auto;
    margin-right: auto;
}

fieldset {
    margin-top: 20px;
    margin-bottom: 20px;
    background-color: whitesmoke;
}