body{ } div.main{ width: 800px; height: 1000px; background-image: url("bingo2.png"); background-repeat: no-repeat; margin-left: auto; margin-right: auto; border: thin solid red; } div.head{ background:; width: 100%; height: 150px; } /* ------------------------- div.center-l{ background:#67bdff; width: 100px; height: 100%; border: thin solid; float:left; } ============================ */ div.center-c{ background: white; width: 710px; height: 690px; padding-top: 2%; margin-top: 20px; margin-left: auto; margin-right: auto; } /* ------------------------ div.center-c li{ width: 150px; height: 150px; float: left; margin: auto; border: thin solid; list-style-type: none; } =========================== */ /* ------------------------- div.center-r{ background:#67bdff; width: 100px; height: 100%; border: thin solid; float: right; } ============================ */ td div{ position: relative; } div.foot{ background:; width: 100%; height: 150px; }