header{ 
    background: green;
    width: 100%;
    display: flex;
    justify-content: center;
}

body {
    margin: 2.7em 1em;
    font-family: "Source Serif 4", serif;
    font-optical-sizing: auto;
    font-weight: 380;
    font-style: normal;
}
.cokpit {
margin-top: auto;
}

p {
    max-width: 65ch;
    font-size: 1.2em;
    line-height: 1.35;
    color: #333;
    margin: 1em max(10%, 1em) 1.35em auto ;
}

blockquote {
    padding-left: 2em;
    font-style: italic;
}
hr {
    width: 2em;
    margin: 2em;
}
a {
    color: currentColor;
}

#background {
    width: 100%;
    height: 100%;
    position: absolute;
    object-fit:cover;
    z-index: 1;
}

#defaultCanvas0 {
    position: absolute;
    inset: 0;
    z-index: -1;
}