body {
    font-family: Verdana, sans-serif;
    font-size: 16px;
    margin: 1lh;
    line-height: 1.5;
    text-wrap: pretty;
}
h1, h2, h3, img, p, a.button, hr {
    display             : block;
    max-width           : 800px;
    margin-inline-start : auto;
    margin-inline-end   : auto;
    text-align          : center;
}
h1 {
    width: -webkit-fill-available;
    font-size: 1.75em;
    line-height: 2;
}
h2 {
    margin-block-start: .5lh;
    line-height: 2;
}
img {
    margin-block-start: 1lh;
    margin-block-end: 1lh;
    width: calc(100vw - 2lh);
    height: auto;
    border-radius: 6px;
}
a.button {
    display: block;
    margin-block: 1lh 1.25lh;
    text-align: center;
    text-decoration: none;
    border-radius: 24px;
    background-color: mediumvioletred;
    font-weight: bold;
    color: white;
    width: 300px;
    height: 2lh;
    align-content: center;
    box-shadow: 2px 2px 3px rgba(0, 0, 0, 0.2);
}
p {
    max-width : 55ch;
    text-wrap : pretty;
    text-align: left;
}
h3 {
    margin-block: 1.5lh 3lh;
}
hr {
    margin-block: 2lh 0;
    border-top: 3px solid gainsboro;
}
img.portrait {
    max-width: 480px;
}
@media ( max-width : 600px ) {
    a.button {
        width: calc(100vw - 2lh);
    }
}