body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: white;
    margin: 1em auto;
    width: 700px;
    padding: 0 2em 1em;
    border: 1px solid black;
    border-radius: 1em;
}
h1, h3 {
    color: cornflowerblue;
}
div {
    margin-bottom: 1em;
}
label {
    display: inline-block;
    width: 5em;
}
input {
    margin-right: 0.5em;
}
.error {
    color: red;
}
.right {
    float: right;
}