body {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

h1 {
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    text-shadow: 2px 2px 4px silver;
}

form.fancy-form {
    background-color: #f8faff;
    border: medium solid indigo;
    max-width: 50ch;
    width: 100%;
}

form.fancy-form div {
    margin: 1em;
}

form.fancy-form label:has(+:is(input, select, textarea)[required])::after {
    color: red;
    content: "*";
    vertical-align: super;
}

form.fancy-form input[type=checkbox]:not(:checked)+fieldset.conditional {
    display: none;
}

form.fancy-form label {
    display: block;
    margin-bottom: 0.25em;
}

form.fancy-form > div:has(button[type=submit]){
    text-align: center;
}

form.fancy-form button[type=submit]{
    background-color: slateblue;
    border: none;
    border-radius: 0.5em;
    color: white;
    cursor: pointer;
    padding: 0.5em 1.5em;
    transition: background-color 0.3s ease;
}

form.fancy-form button[type=submit]:hover{
    background-color: forestgreen;
}

form.fancy-form input[type=email]:invalid{
    background-color: tomato;
    color: white;
}

form.fancy-form :focus{
    border-color: gold;
    border-width: thick;
    outline: none;
}