html {
    height: 100%;
    margin: 0;
}

body {
    /*height: 100vh;*/
    background-color: #000000;
    /*background-image: radial-gradient(circle, #6a76ad 5%, #092d76 65%, #252964 100%);*/
    background-image: linear-gradient(to bottom, #3b65a0, #2a303a);
    background-repeat: no-repeat;
    background-attachment: fixed;

    font-family: Arial, Helvetica, sans-serif;
    color: #cecece;
}

header {
    text-align: center;
    font-size: x-large;
}

footer {
    text-align: center;
    font-weight: bolder;
}