table {
  border-width: 0px 0px 0px 0px;
  border-spacing: 0px;
  border-style: none none none none;
  border-color: gray gray gray gray;
  border-collapse: collapse;
  background-color: white;
}

table th,td {
  border-width: 1px 1px 1px 1px;
  padding: 2px 2px 2px 2px;
  border-style: solid solid solid solid;
  border-color: gray gray gray gray;
  background-color: rgb(255, 255, 240);
}

img.centered {
  display: block;
  margin-left: auto;
  margin-right: auto
}