* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: rgb(224, 219, 219);
}

/* Style the header */
header {
  background-color: #666;
  padding: 15px;
  text-align: center;
  font-size: 35px;
  color: white;
}
table {
  background: white;
}
td {
  background: #ccc;
  padding: 2px;
  text-align:left;
  vertical-align: top;
  border-color: white;
  padding: 2px;
}

tr {
  border-color: white;
  padding: 2px;
  text-align: left;
  border-style: solid;
  border-width: 2px;

}

footer {
  background-color: #777;
  padding: 2px;
  text-align: center;
  color: white;
}