body {
    margin: 0;
    font-family: serif;
    background-image: url("https://file.garden/ZWlUCY4S7Xz2vypS/archived%20backgrounds/stars%20%26%20space/spac006.gif");
    background-repeat: repeat;
    background-position: 0 0;
    animation: scroll-background 30s linear
infinite;
    color: #ffffff;
}

@keyframes scroll-background {
	from {
		background-position: 0 0;
	}
	to {
		background-position: -144px 0;
	}
}

main {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
    text-align: center;
}

.logo {
    display: block;
    width: 70px;
    margin: 0 auto 30px auto;
}

a {
    display: inline-block;
    padding: 3px 8px;
    background: #c0c0c0;
    color: #000000;
    text-decoration: none;
    margin-right: 3px;
    margin-bottom: 5px;

    border-top: 1px solid #ffffff;
    border-left: 1px solid #ffffff;
    border-right: 1px solid #404040;
    border-bottom: 1px solid #404040;
}

a:hover {
    color: #000080;
}

a:active {
    border-top: 1px solid #404040;
    border-left: 1px solid #404040;
    border-right: 1px solid #ffffff;
    border-bottom: 1px solid #ffffff;
}

footer {
    text-align: center;
}