html, body, h1, h2 {
    margin: 0;
    padding: 0;
}
body, html {
  height: 100%
}

h1, h2 {
    align-items: center;
    background-color: rgba(255, 255, 255, .75);
    border-radius: 1em;
    color: #111111;
    display: flex;
    font-family: "Raleway", sans-serif;
    font-size: 2.2em;
    height: 30vh;
    justify-content: center;
    margin: 0 5vmin;
    padding: 1em;
    min-height: 30vh;
    text-align: center
}
h1 {
    font-size: 2.2em
}
h2 {
    font-size: 2em;
    margin-top: 1em
}

p {
    font-size: 1rem
}

.bgimg {
  background-image: url("https://ms-genealogie.fr/img/background-1920x10080.webp");
  min-height: 100%;
  background-position: center;
  background-size: cover;
}

.parallax {
    background-attachment: fixed;
    background-image: url("https://ms-genealogie.fr/img/background-1920x10080.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 100vh;
    filter: grayscale(75%);
}