body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: skyblue;
}

div#container {
    width: 70%;
    min-height: 100vh;
    margin: auto;
    background-color: white;
}

header, main {
    padding: 2rem;
}

header {
    background-color: rgb(68, 200, 245);
    color: white;
}

fieldset {
    display: none;
}

fieldset.active {
    display: block;
}

h1, h2, legend {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-weight: bold;
}

h1 {
    font-size: 3.75rem;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.25rem;
}

legend {
    color: rgb(68, 200, 245);
    font-size: 1.1rem;
}

label, input, select {
    display: block;
    width: 100%;
    box-sizing: border-box;
}

input[type="checkbox"], input[type="checkbox"] + label {
    display: inline-block;
    width: auto;
}

label {
    margin-top: 1rem;
    margin-bottom: 0.25rem;
}

p {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

a.button, input[type="submit"] {
    background-color: rgb(68, 200, 245);
    color: white;
    text-decoration: none;
    display: inline-block;
    padding: 0.25rem;
    margin-top: 1rem;
    width: auto;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

ul#overview {
    margin-top: 1rem;
    line-height: 120%;
}

ul#overview li {
    list-style: disc inside;
}

ul#overview span {
    font-weight: bold;
}

#feedback {
    font-weight: bold;
}

#previous {
    font-size: 0.75rem;
    color: darkgray;
    font-style: italic;
}