body{
    background-image: url('../images/systems.gif');
    background-size:cover;
    background-repeat: no-repeat;
    background-position: center top;
    background-attachment: fixed;
    background-color: rgb(29, 29, 29);
}

h1 {
    margin: 60px;
    padding: 0;
    font-size: 25px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: whitesmoke; 
    text-align: center;
}