html,
body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    /* padding-top: 40px; */
    /* padding-bottom: 40px; */
    /* background: white; */
}

header {
    height: 200px;
    /*border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;*/
    background-color: #000;
}

footer {
    background-color: #000;
}