body {
    background: url("img/bg/sagatoutline.png") repeat;
    background-size: 120px 64px;
    animation: sagat-move 45s linear infinite;
}

table, th, td { border: 2px solid black; background-color: rgba(0, 0, 0, 0.03);}

@keyframes sagat-move {
  from { background-position: 0 0; }
  to   { background-position: 256px 256px; }
}