<style type="text/css">
table{
   border:#000000 solid 1px;
   border-collapse:collapse;
}
table tr, table td{
  border:#000000 solid 1px;
  }
</style>

img {
  filter: gray; /* IE6-9 */
  filter: grayscale(1); /* Firefox 35+ */
  -webkit-filter: grayscale(1); /* Google Chrome, Safari 6+ & Opera 15+ */
}

/* Disable grayscale on hover */
img:hover {
  filter: none;
  -webkit-filter: grayscale(0);
}

  border: 10px solid blue; /*border 加寬並不會改變寬度*/
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;

html {
  background: url(你的圖片) no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}