html, body {
    margin: 0;
    height: 100vh;
}
#container {
    width: 500px;
    margin: auto;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
}
h2, h3, h4, h5, h6 {
    font-variant: small-caps;
}
h1 {
    font-size: 60pt;
}
h2 {
    font-size: 20pt;
}
.widget {
    width: 500px;
}
ul, ol {
    text-align: center;
    padding-left: 0;
    margin-left: 0;
    list-style-position: inside;
}
a:visited {
    color: blue;
}
#toggler {
    border-radius: 20px;
    padding: 10px;
    background: lightgray;
    border: 1px solid black;
}
#toggler:hover {
    cursor: pointer;
}