dy {
    height: 100%
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    padding: 220px 40px 200px 40px;
    line-height: 160%;
}

head {
    position: fixed;
    display: block;
    width: 100%;
    height: 250px;
    top: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 1) 80%, rgba(255, 255, 255, 0) 100%);
    z-index: 1;
}

main {
    max-width: 800px;
    margin: 0 auto 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

@media only screen and (max-width: 900px) {
    main {
        padding-left: 0;
        padding-right: 0;
    }
}

#logo {
    position: fixed;
    left: 50%;
    margin-left: -150px;
    top: 40px;
    width: 300px;
    z-index: 2;
}

@media (min-width: 481px) and (max-width: 767px) {
    head, #logo {
        position: absolute;
    }
}

#stripes {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 600px;
}

a {
    color: #0269a0;
    text-decoration: none;
}

a:hover {
    color: #ea5f04;
}


footer {
    max-width: 800px;
    margin: 0 auto;
    padding: 50px 40px 220px 40px;
    display: flex;
    align-items: center;
    justify-content: center
}

footer>ul {
    text-align: center;
    margin: 0;
    padding: 0;
}

footer>ul li {
    float: left;
    list-style: none;
}

footer>ul li:after {
    content: "|";
}

footer>ul li:last-child:after {
    content: "";
}

footer>ul li a {
    margin: 0 8px;
}