* {
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    color: #f5f5f5;
}

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

body {
    /*height: 100vh;*/
    background-color: #000000;
    background-image: linear-gradient(to bottom, #3b65a0, #1d3c71);
    background-repeat: no-repeat;
    background-attachment: fixed;
}

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

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