* {
    box-sizing: border-box;
}
body > table {
    width: 100%;
}
body > table tr > td:nth-child(3) {
    text-align: right;
}
body > form {
    display: block;
    border: solid 1px black;
    margin: 1em 0;
    padding: 0.5em;
}
body > form > * {
    margin: 0.4em 0;
}
label {
    display: block;
}
textarea {
    width: 100%;
    height: 30em;
    font-family: monospace;
}
input[type=text] {
    width: 100%;
}
input[type=file] {
    display: block;
    margin-left: auto;
    margin-right: auto;
    background: #EEEEEE;
    border-radius: 4px;
}