body {
    background: linear-gradient(rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.9)), url('zdj3.gif') center;
    background-size: 50%;
    animation: slow-gif 10s linear infinite; 
}

@keyframes slow-gif {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}
h1{
    color: rgb(255, 0, 0);
    text-align: center;
}
table{
    margin: auto;
    border-spacing: 50px;
    table-layout: fixed;
}
td,th{
    border: 1px solid rgb(255, 0, 0);
    border-radius: 15px;
    background-color: black;
    font-family: 'Arial';
    width: 200px;
}
a{
    color: rgb(255, 0, 0);
    text-decoration: none;
}