body {
    margin: 0 !important;
}

main {
    max-width: 750px;
    margin: 0 auto;
}

h1 {
    margin: 0;
}

img {
    width: 100%;
 	vertical-align:top;
}


footer{
    max-width: 750px;
    margin: 0 auto;
}

footer ul {
    display: flex;
    list-style: none;
    justify-content: center;
}

footer ul li {
    margin: -10px 10px;
}