div.central {
    display: flex;
    flex-direction: column;
    gap: 2mm;
    width: 600px;
    margin: auto;
    border: 1px solid hsl(0, 0%, 70%);
    padding: 1em;
    background-color: hsl(0, 0%, 98%);
}

div.central li {
    list-style-type: none;
    margin-bottom: 2mm;
    width: 100%;
    display: flex;
}

form > ul {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    line-height: 1em;
}

form > ul > li {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0.4em 0;
}

form > ul > li label {
    display: inline-block;
    min-width: 150px;
}

ul.errorlist {
    display: block;
    width: 100%;
    border-radius: 3mm;
    padding: 1mm 2mm;
    margin-bottom: 1em;
    background-color: #FFCECE;
    color: red;
    line-height: 150%;
}

ul.errorlist li {
    margin-bottom: 0;
}

ul.errorlist li::before {
    content: "!";
    margin-right: 1em;
}

div.judgement {
    display: flex;
    width: 100%;
    padding: 1em;
    line-height: 125%;
}

div.judgement > div.marker {
    width: 20px;
    height: 100%;
}

div.judgement.ok > div.marker::before {
    content: "\2713";
}

div.judgement.ok {
    background-color: lightgreen;
    color: green;
    border-color: olivedrab;
}

div.judgement.error {
    background-color: #FFCECE;
    color: darkred;
    border-color: red;
}

div.judgement.error > div.marker::before {
    content: "\274C";
    font-size: 60%;
}

div.judgement.warning {
    background-color: moccasin;
    color: chocolate;
    border-color: darkorange;
}

div.judgement.warning > div.marker::before {
    content: "!";
}

div.judgement li + li {
    margin-top: 2mm;
}

form > ul > li input, form > ul > li select {
    border: 1px solid hsl(0, 0%, 60%);
    width: calc(100% - 200px);
    text-align: left;
}

input[name="latitude"], input[name="longitude"], input[name="altitude"] {
    text-align: right;
}

form > ul > li input[type=checkbox] {
    text-align: right;
    width: 10px;
}

li.success {
    padding: 1em;
    background-color: lightgreen;
    color: hsl(130, 100%, 20%);
    border-radius: 3mm;
}

form span.helptext {
    display: block;
    flex-basis: 100%;
    clear: both;
    font-size: 70%;
    color: hsl(0, 0%, 50%);
}

form.multiline input[type=submit] {
    width: 100%;
    margin-top: 1em;
}